Error in routine readmat_shuffle2

Dear Sir,
I am getting this error while running the script.Please help me how to resolve it.

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S. Ponce, E. R. Margine, C. Verdi, and F. Giustino,
Comput. Phys. Commun. 209, 116 (2016)

 Program EPW v.4.3.0 (svn rev. 14038) starts on 23May2018 at 10:56:35 

 This program is part of the open-source Quantum ESPRESSO suite
 for quantum simulation of materials; please cite
     &quot;P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);
     &quot;P. Giannozzi et al., J. Phys.:Condens. Matter 29 465901 (2017);
      URL <!-- m --><a class="postlink" href="http://www.quantum-espresso.org">http://www.quantum-espresso.org</a><!-- m -->&quot;, 
 in publications or presentations arising from this work. More details at
 <!-- m --><a class="postlink" href="http://www.quantum-espresso.org/quote">http://www.quantum-espresso.org/quote</a><!-- m -->

 Parallel version (MPI), running on     4 processors

 MPI processes distributed on     1 nodes
 K-points division:     npool     =       4

 Reading data from directory:
 ./calc.save/

 IMPORTANT: XC functional enforced from input :
 Exchange-correlation      = PZ ( 1  1  0  0 0 0)
 Any further DFT definition will be discarded
 Please, verify this is what you really want


 G-vector sticks info
 --------------------
 sticks:   dense  smooth     PW     G-vecs:    dense   smooth      PW
 Sum         475     475    199               173243   173243   46137


 --                                                                         

 bravais-lattice index     =            4
 lattice parameter (a_0)   =       4.6487  a.u.
 unit-cell volume          =    1793.4220 (a.u.)^3
 number of atoms/cell      =            2
 number of atomic types    =            1
 kinetic-energy cut-off    =      80.0000  Ry
 charge density cut-off    =     320.0000  Ry
 convergence threshold     =      0.0E+00
 beta                      =       0.0000
 number of iterations used =            0
 Exchange-correlation      = PZ ( 1  1  0  0 0 0)


 celldm(1)=    4.64873  celldm(2)=    0.00000  celldm(3)=   20.61341
 celldm(4)=    0.00000  celldm(5)=    0.00000  celldm(6)=    0.00000

 crystal axes: (cart. coord. in units of a_0)
           a(1) = (  1.0000  0.0000  0.0000 )  
           a(2) = ( -0.5000  0.8660  0.0000 )  
           a(3) = (  0.0000  0.0000 20.6134 )  

 reciprocal axes: (cart. coord. in units 2 pi/a_0)
           b(1) = (  1.0000  0.5774 -0.0000 )  
           b(2) = (  0.0000  1.1547  0.0000 )  
           b(3) = (  0.0000 -0.0000  0.0485 )  


 Atoms inside the unit cell: 

Cartesian axes

 site n.  atom      mass           positions (a_0 units)
    1        C   12.0117   tau( 1) = (    0.24768   -0.14372   10.30671  )
    2        C   12.0117   tau( 2) = (    0.74554    0.14372   10.30671  )

  2 Sym.Ops. (with q -&gt; -q+G )


 G cutoff =  175.1694  ( 173243 G-vectors)     FFT grid: ( 27, 27,576)
 number of k points=  256  gaussian broad. (Ry)=  0.0100     ngauss =   0
                   cart. coord. in units 2pi/a_0
    k(    1) = (   0.0000000   0.0000000   0.0000000), wk =   0.0078125
    k(    2) = (   0.0000000   0.0721688   0.0000000), wk =   0.0078125
    k(    3) = (   0.0000000   0.1443376   0.0000000), wk =   0.0078125
    k(    4) = (   0.0000000   0.2165064   0.0000000), wk =   0.0078125
    k(    5) = (   0.0000000   0.2886751   0.0000000), wk =   0.0078125
    k(    6) = (   0.0000000   0.3608439   0.0000000), wk =   0.0078125
    k(    7) = (   0.0000000   0.4330127   0.0000000), wk =   0.0078125
    k(    8) = (   0.0000000   0.5051815   0.0000000), wk =   0.0078125
    k(    9) = (   0.0000000   0.5773503   0.0000000), wk =   0.0078125
    k(   10) = (   0.0000000   0.6495191   0.0000000), wk =   0.0078125
    k(   11) = (   0.0000000   0.7216878   0.0000000), wk =   0.0078125
    k(   12) = (   0.0000000   0.7938566   0.0000000), wk =   0.0078125
    k(   13) = (   0.0000000   0.8660254   0.0000000), wk =   0.0078125
    k(   14) = (   0.0000000   0.9381942   0.0000000), wk =   0.0078125
    k(   15) = (   0.0000000   1.0103630   0.0000000), wk =   0.0078125
    k(   16) = (   0.0000000   1.0825318   0.0000000), wk =   0.0078125
    k(   17) = (   0.0625000   0.0360844   0.0000000), wk =   0.0078125
    k(   18) = (   0.0625000   0.1082532   0.0000000), wk =   0.0078125
    k(   19) = (   0.0625000   0.1804220   0.0000000), wk =   0.0078125
    k(   20) = (   0.0625000   0.2525907   0.0000000), wk =   0.0078125
    k(   21) = (   0.0625000   0.3247595   0.0000000), wk =   0.0078125
    k(   22) = (   0.0625000   0.3969283   0.0000000), wk =   0.0078125
    k(   23) = (   0.0625000   0.4690971   0.0000000), wk =   0.0078125
    k(   24) = (   0.0625000   0.5412659   0.0000000), wk =   0.0078125
    k(   25) = (   0.0625000   0.6134347   0.0000000), wk =   0.0078125
    k(   26) = (   0.0625000   0.6856034   0.0000000), wk =   0.0078125
    k(   27) = (   0.0625000   0.7577722   0.0000000), wk =   0.0078125
    k(   28) = (   0.0625000   0.8299410   0.0000000), wk =   0.0078125
    k(   29) = (   0.0625000   0.9021098   0.0000000), wk =   0.0078125
    k(   30) = (   0.0625000   0.9742786   0.0000000), wk =   0.0078125
    k(   31) = (   0.0625000   1.0464474   0.0000000), wk =   0.0078125
    k(   32) = (   0.0625000   1.1186161   0.0000000), wk =   0.0078125
    k(   33) = (   0.1250000   0.0721688   0.0000000), wk =   0.0078125
    k(   34) = (   0.1250000   0.1443376   0.0000000), wk =   0.0078125
    k(   35) = (   0.1250000   0.2165064   0.0000000), wk =   0.0078125
    k(   36) = (   0.1250000   0.2886751   0.0000000), wk =   0.0078125
    k(   37) = (   0.1250000   0.3608439   0.0000000), wk =   0.0078125
    k(   38) = (   0.1250000   0.4330127   0.0000000), wk =   0.0078125
    k(   39) = (   0.1250000   0.5051815   0.0000000), wk =   0.0078125
    k(   40) = (   0.1250000   0.5773503   0.0000000), wk =   0.0078125
    k(   41) = (   0.1250000   0.6495191   0.0000000), wk =   0.0078125
    k(   42) = (   0.1250000   0.7216878   0.0000000), wk =   0.0078125
    k(   43) = (   0.1250000   0.7938566   0.0000000), wk =   0.0078125
    k(   44) = (   0.1250000   0.8660254   0.0000000), wk =   0.0078125
    k(   45) = (   0.1250000   0.9381942   0.0000000), wk =   0.0078125
    k(   46) = (   0.1250000   1.0103630   0.0000000), wk =   0.0078125
    k(   47) = (   0.1250000   1.0825318   0.0000000), wk =   0.0078125
    k(   48) = (   0.1250000   1.1547005   0.0000000), wk =   0.0078125
    k(   49) = (   0.1875000   0.1082532   0.0000000), wk =   0.0078125
    k(   50) = (   0.1875000   0.1804220   0.0000000), wk =   0.0078125
    k(   51) = (   0.1875000   0.2525907   0.0000000), wk =   0.0078125
    k(   52) = (   0.1875000   0.3247595   0.0000000), wk =   0.0078125
    k(   53) = (   0.1875000   0.3969283   0.0000000), wk =   0.0078125
    k(   54) = (   0.1875000   0.4690971   0.0000000), wk =   0.0078125
    k(   55) = (   0.1875000   0.5412659   0.0000000), wk =   0.0078125
    k(   56) = (   0.1875000   0.6134347   0.0000000), wk =   0.0078125
    k(   57) = (   0.1875000   0.6856034   0.0000000), wk =   0.0078125
    k(   58) = (   0.1875000   0.7577722   0.0000000), wk =   0.0078125
    k(   59) = (   0.1875000   0.8299410   0.0000000), wk =   0.0078125
    k(   60) = (   0.1875000   0.9021098   0.0000000), wk =   0.0078125
    k(   61) = (   0.1875000   0.9742786   0.0000000), wk =   0.0078125
    k(   62) = (   0.1875000   1.0464474   0.0000000), wk =   0.0078125
    k(   63) = (   0.1875000   1.1186161   0.0000000), wk =   0.0078125
    k(   64) = (   0.1875000   1.1907849   0.0000000), wk =   0.0078125
    k(   65) = (   0.2500000   0.1443376   0.0000000), wk =   0.0078125
    k(   66) = (   0.2500000   0.2165064   0.0000000), wk =   0.0078125
    k(   67) = (   0.2500000   0.2886751   0.0000000), wk =   0.0078125
    k(   68) = (   0.2500000   0.3608439   0.0000000), wk =   0.0078125
    k(   69) = (   0.2500000   0.4330127   0.0000000), wk =   0.0078125
    k(   70) = (   0.2500000   0.5051815   0.0000000), wk =   0.0078125
    k(   71) = (   0.2500000   0.5773503   0.0000000), wk =   0.0078125
    k(   72) = (   0.2500000   0.6495191   0.0000000), wk =   0.0078125
    k(   73) = (   0.2500000   0.7216878   0.0000000), wk =   0.0078125
    k(   74) = (   0.2500000   0.7938566   0.0000000), wk =   0.0078125
    k(   75) = (   0.2500000   0.8660254   0.0000000), wk =   0.0078125
    k(   76) = (   0.2500000   0.9381942   0.0000000), wk =   0.0078125
    k(   77) = (   0.2500000   1.0103630   0.0000000), wk =   0.0078125
    k(   78) = (   0.2500000   1.0825318   0.0000000), wk =   0.0078125
    k(   79) = (   0.2500000   1.1547005   0.0000000), wk =   0.0078125
    k(   80) = (   0.2500000   1.2268693   0.0000000), wk =   0.0078125
    k(   81) = (   0.3125000   0.1804220   0.0000000), wk =   0.0078125
    k(   82) = (   0.3125000   0.2525907   0.0000000), wk =   0.0078125
    k(   83) = (   0.3125000   0.3247595   0.0000000), wk =   0.0078125
    k(   84) = (   0.3125000   0.3969283   0.0000000), wk =   0.0078125
    k(   85) = (   0.3125000   0.4690971   0.0000000), wk =   0.0078125
    k(   86) = (   0.3125000   0.5412659   0.0000000), wk =   0.0078125
    k(   87) = (   0.3125000   0.6134347   0.0000000), wk =   0.0078125
    k(   88) = (   0.3125000   0.6856034   0.0000000), wk =   0.0078125
    k(   89) = (   0.3125000   0.7577722   0.0000000), wk =   0.0078125
    k(   90) = (   0.3125000   0.8299410   0.0000000), wk =   0.0078125
    k(   91) = (   0.3125000   0.9021098   0.0000000), wk =   0.0078125
    k(   92) = (   0.3125000   0.9742786   0.0000000), wk =   0.0078125
    k(   93) = (   0.3125000   1.0464474   0.0000000), wk =   0.0078125
    k(   94) = (   0.3125000   1.1186161   0.0000000), wk =   0.0078125
    k(   95) = (   0.3125000   1.1907849   0.0000000), wk =   0.0078125
    k(   96) = (   0.3125000   1.2629537   0.0000000), wk =   0.0078125
    k(   97) = (   0.3750000   0.2165064   0.0000000), wk =   0.0078125
    k(   98) = (   0.3750000   0.2886751   0.0000000), wk =   0.0078125
    k(   99) = (   0.3750000   0.3608439   0.0000000), wk =   0.0078125
    k(  100) = (   0.3750000   0.4330127   0.0000000), wk =   0.0078125
    k(  101) = (   0.3750000   0.5051815   0.0000000), wk =   0.0078125
    k(  102) = (   0.3750000   0.5773503   0.0000000), wk =   0.0078125
    k(  103) = (   0.3750000   0.6495191   0.0000000), wk =   0.0078125
    k(  104) = (   0.3750000   0.7216878   0.0000000), wk =   0.0078125
    k(  105) = (   0.3750000   0.7938566   0.0000000), wk =   0.0078125
    k(  106) = (   0.3750000   0.8660254   0.0000000), wk =   0.0078125
    k(  107) = (   0.3750000   0.9381942   0.0000000), wk =   0.0078125
    k(  108) = (   0.3750000   1.0103630   0.0000000), wk =   0.0078125
    k(  109) = (   0.3750000   1.0825318   0.0000000), wk =   0.0078125
    k(  110) = (   0.3750000   1.1547005   0.0000000), wk =   0.0078125
    k(  111) = (   0.3750000   1.2268693   0.0000000), wk =   0.0078125
    k(  112) = (   0.3750000   1.2990381   0.0000000), wk =   0.0078125
    k(  113) = (   0.4375000   0.2525907   0.0000000), wk =   0.0078125
    k(  114) = (   0.4375000   0.3247595   0.0000000), wk =   0.0078125
    k(  115) = (   0.4375000   0.3969283   0.0000000), wk =   0.0078125
    k(  116) = (   0.4375000   0.4690971   0.0000000), wk =   0.0078125
    k(  117) = (   0.4375000   0.5412659   0.0000000), wk =   0.0078125
    k(  118) = (   0.4375000   0.6134347   0.0000000), wk =   0.0078125
    k(  119) = (   0.4375000   0.6856034   0.0000000), wk =   0.0078125
    k(  120) = (   0.4375000   0.7577722   0.0000000), wk =   0.0078125
    k(  121) = (   0.4375000   0.8299410   0.0000000), wk =   0.0078125
    k(  122) = (   0.4375000   0.9021098   0.0000000), wk =   0.0078125
    k(  123) = (   0.4375000   0.9742786   0.0000000), wk =   0.0078125
    k(  124) = (   0.4375000   1.0464474   0.0000000), wk =   0.0078125
    k(  125) = (   0.4375000   1.1186161   0.0000000), wk =   0.0078125
    k(  126) = (   0.4375000   1.1907849   0.0000000), wk =   0.0078125
    k(  127) = (   0.4375000   1.2629537   0.0000000), wk =   0.0078125
    k(  128) = (   0.4375000   1.3351225   0.0000000), wk =   0.0078125
    k(  129) = (   0.5000000   0.2886751   0.0000000), wk =   0.0078125
    k(  130) = (   0.5000000   0.3608439   0.0000000), wk =   0.0078125
    k(  131) = (   0.5000000   0.4330127   0.0000000), wk =   0.0078125
    k(  132) = (   0.5000000   0.5051815   0.0000000), wk =   0.0078125
    k(  133) = (   0.5000000   0.5773503   0.0000000), wk =   0.0078125
    k(  134) = (   0.5000000   0.6495191   0.0000000), wk =   0.0078125
    k(  135) = (   0.5000000   0.7216878   0.0000000), wk =   0.0078125
    k(  136) = (   0.5000000   0.7938566   0.0000000), wk =   0.0078125
    k(  137) = (   0.5000000   0.8660254   0.0000000), wk =   0.0078125
    k(  138) = (   0.5000000   0.9381942   0.0000000), wk =   0.0078125
    k(  139) = (   0.5000000   1.0103630   0.0000000), wk =   0.0078125
    k(  140) = (   0.5000000   1.0825318   0.0000000), wk =   0.0078125
    k(  141) = (   0.5000000   1.1547005   0.0000000), wk =   0.0078125
    k(  142) = (   0.5000000   1.2268693   0.0000000), wk =   0.0078125
    k(  143) = (   0.5000000   1.2990381   0.0000000), wk =   0.0078125
    k(  144) = (   0.5000000   1.3712069   0.0000000), wk =   0.0078125
    k(  145) = (   0.5625000   0.3247595   0.0000000), wk =   0.0078125
    k(  146) = (   0.5625000   0.3969283   0.0000000), wk =   0.0078125
    k(  147) = (   0.5625000   0.4690971   0.0000000), wk =   0.0078125
    k(  148) = (   0.5625000   0.5412659   0.0000000), wk =   0.0078125
    k(  149) = (   0.5625000   0.6134347   0.0000000), wk =   0.0078125
    k(  150) = (   0.5625000   0.6856034   0.0000000), wk =   0.0078125
    k(  151) = (   0.5625000   0.7577722   0.0000000), wk =   0.0078125
    k(  152) = (   0.5625000   0.8299410   0.0000000), wk =   0.0078125
    k(  153) = (   0.5625000   0.9021098   0.0000000), wk =   0.0078125
    k(  154) = (   0.5625000   0.9742786   0.0000000), wk =   0.0078125
    k(  155) = (   0.5625000   1.0464474   0.0000000), wk =   0.0078125
    k(  156) = (   0.5625000   1.1186161   0.0000000), wk =   0.0078125
    k(  157) = (   0.5625000   1.1907849   0.0000000), wk =   0.0078125
    k(  158) = (   0.5625000   1.2629537   0.0000000), wk =   0.0078125
    k(  159) = (   0.5625000   1.3351225   0.0000000), wk =   0.0078125
    k(  160) = (   0.5625000   1.4072913   0.0000000), wk =   0.0078125
    k(  161) = (   0.6250000   0.3608439   0.0000000), wk =   0.0078125
    k(  162) = (   0.6250000   0.4330127   0.0000000), wk =   0.0078125
    k(  163) = (   0.6250000   0.5051815   0.0000000), wk =   0.0078125
    k(  164) = (   0.6250000   0.5773503   0.0000000), wk =   0.0078125
    k(  165) = (   0.6250000   0.6495191   0.0000000), wk =   0.0078125
    k(  166) = (   0.6250000   0.7216878   0.0000000), wk =   0.0078125
    k(  167) = (   0.6250000   0.7938566   0.0000000), wk =   0.0078125
    k(  168) = (   0.6250000   0.8660254   0.0000000), wk =   0.0078125
    k(  169) = (   0.6250000   0.9381942   0.0000000), wk =   0.0078125
    k(  170) = (   0.6250000   1.0103630   0.0000000), wk =   0.0078125
    k(  171) = (   0.6250000   1.0825318   0.0000000), wk =   0.0078125
    k(  172) = (   0.6250000   1.1547005   0.0000000), wk =   0.0078125
    k(  173) = (   0.6250000   1.2268693   0.0000000), wk =   0.0078125
    k(  174) = (   0.6250000   1.2990381   0.0000000), wk =   0.0078125
    k(  175) = (   0.6250000   1.3712069   0.0000000), wk =   0.0078125
    k(  176) = (   0.6250000   1.4433757   0.0000000), wk =   0.0078125
    k(  177) = (   0.6875000   0.3969283   0.0000000), wk =   0.0078125
    k(  178) = (   0.6875000   0.4690971   0.0000000), wk =   0.0078125
    k(  179) = (   0.6875000   0.5412659   0.0000000), wk =   0.0078125
    k(  180) = (   0.6875000   0.6134347   0.0000000), wk =   0.0078125
    k(  181) = (   0.6875000   0.6856034   0.0000000), wk =   0.0078125
    k(  182) = (   0.6875000   0.7577722   0.0000000), wk =   0.0078125
    k(  183) = (   0.6875000   0.8299410   0.0000000), wk =   0.0078125
    k(  184) = (   0.6875000   0.9021098   0.0000000), wk =   0.0078125
    k(  185) = (   0.6875000   0.9742786   0.0000000), wk =   0.0078125
    k(  186) = (   0.6875000   1.0464474   0.0000000), wk =   0.0078125
    k(  187) = (   0.6875000   1.1186161   0.0000000), wk =   0.0078125
    k(  188) = (   0.6875000   1.1907849   0.0000000), wk =   0.0078125
    k(  189) = (   0.6875000   1.2629537   0.0000000), wk =   0.0078125
    k(  190) = (   0.6875000   1.3351225   0.0000000), wk =   0.0078125
    k(  191) = (   0.6875000   1.4072913   0.0000000), wk =   0.0078125
    k(  192) = (   0.6875000   1.4794601   0.0000000), wk =   0.0078125
    k(  193) = (   0.7500000   0.4330127   0.0000000), wk =   0.0078125
    k(  194) = (   0.7500000   0.5051815   0.0000000), wk =   0.0078125
    k(  195) = (   0.7500000   0.5773503   0.0000000), wk =   0.0078125
    k(  196) = (   0.7500000   0.6495191   0.0000000), wk =   0.0078125
    k(  197) = (   0.7500000   0.7216878   0.0000000), wk =   0.0078125
    k(  198) = (   0.7500000   0.7938566   0.0000000), wk =   0.0078125
    k(  199) = (   0.7500000   0.8660254   0.0000000), wk =   0.0078125
    k(  200) = (   0.7500000   0.9381942   0.0000000), wk =   0.0078125
    k(  201) = (   0.7500000   1.0103630   0.0000000), wk =   0.0078125
    k(  202) = (   0.7500000   1.0825318   0.0000000), wk =   0.0078125
    k(  203) = (   0.7500000   1.1547005   0.0000000), wk =   0.0078125
    k(  204) = (   0.7500000   1.2268693   0.0000000), wk =   0.0078125
    k(  205) = (   0.7500000   1.2990381   0.0000000), wk =   0.0078125
    k(  206) = (   0.7500000   1.3712069   0.0000000), wk =   0.0078125
    k(  207) = (   0.7500000   1.4433757   0.0000000), wk =   0.0078125
    k(  208) = (   0.7500000   1.5155445   0.0000000), wk =   0.0078125
    k(  209) = (   0.8125000   0.4690971   0.0000000), wk =   0.0078125
    k(  210) = (   0.8125000   0.5412659   0.0000000), wk =   0.0078125
    k(  211) = (   0.8125000   0.6134347   0.0000000), wk =   0.0078125
    k(  212) = (   0.8125000   0.6856034   0.0000000), wk =   0.0078125
    k(  213) = (   0.8125000   0.7577722   0.0000000), wk =   0.0078125
    k(  214) = (   0.8125000   0.8299410   0.0000000), wk =   0.0078125
    k(  215) = (   0.8125000   0.9021098   0.0000000), wk =   0.0078125
    k(  216) = (   0.8125000   0.9742786   0.0000000), wk =   0.0078125
    k(  217) = (   0.8125000   1.0464474   0.0000000), wk =   0.0078125
    k(  218) = (   0.8125000   1.1186161   0.0000000), wk =   0.0078125
    k(  219) = (   0.8125000   1.1907849   0.0000000), wk =   0.0078125
    k(  220) = (   0.8125000   1.2629537   0.0000000), wk =   0.0078125
    k(  221) = (   0.8125000   1.3351225   0.0000000), wk =   0.0078125
    k(  222) = (   0.8125000   1.4072913   0.0000000), wk =   0.0078125
    k(  223) = (   0.8125000   1.4794601   0.0000000), wk =   0.0078125
    k(  224) = (   0.8125000   1.5516288   0.0000000), wk =   0.0078125
    k(  225) = (   0.8750000   0.5051815   0.0000000), wk =   0.0078125
    k(  226) = (   0.8750000   0.5773503   0.0000000), wk =   0.0078125
    k(  227) = (   0.8750000   0.6495191   0.0000000), wk =   0.0078125
    k(  228) = (   0.8750000   0.7216878   0.0000000), wk =   0.0078125
    k(  229) = (   0.8750000   0.7938566   0.0000000), wk =   0.0078125
    k(  230) = (   0.8750000   0.8660254   0.0000000), wk =   0.0078125
    k(  231) = (   0.8750000   0.9381942   0.0000000), wk =   0.0078125
    k(  232) = (   0.8750000   1.0103630   0.0000000), wk =   0.0078125
    k(  233) = (   0.8750000   1.0825318   0.0000000), wk =   0.0078125
    k(  234) = (   0.8750000   1.1547005   0.0000000), wk =   0.0078125
    k(  235) = (   0.8750000   1.2268693   0.0000000), wk =   0.0078125
    k(  236) = (   0.8750000   1.2990381   0.0000000), wk =   0.0078125
    k(  237) = (   0.8750000   1.3712069   0.0000000), wk =   0.0078125
    k(  238) = (   0.8750000   1.4433757   0.0000000), wk =   0.0078125
    k(  239) = (   0.8750000   1.5155445   0.0000000), wk =   0.0078125
    k(  240) = (   0.8750000   1.5877132   0.0000000), wk =   0.0078125
    k(  241) = (   0.9375000   0.5412659   0.0000000), wk =   0.0078125
    k(  242) = (   0.9375000   0.6134347   0.0000000), wk =   0.0078125
    k(  243) = (   0.9375000   0.6856034   0.0000000), wk =   0.0078125
    k(  244) = (   0.9375000   0.7577722   0.0000000), wk =   0.0078125
    k(  245) = (   0.9375000   0.8299410   0.0000000), wk =   0.0078125
    k(  246) = (   0.9375000   0.9021098   0.0000000), wk =   0.0078125
    k(  247) = (   0.9375000   0.9742786   0.0000000), wk =   0.0078125
    k(  248) = (   0.9375000   1.0464474   0.0000000), wk =   0.0078125
    k(  249) = (   0.9375000   1.1186161   0.0000000), wk =   0.0078125
    k(  250) = (   0.9375000   1.1907849   0.0000000), wk =   0.0078125
    k(  251) = (   0.9375000   1.2629537   0.0000000), wk =   0.0078125
    k(  252) = (   0.9375000   1.3351225   0.0000000), wk =   0.0078125
    k(  253) = (   0.9375000   1.4072913   0.0000000), wk =   0.0078125
    k(  254) = (   0.9375000   1.4794601   0.0000000), wk =   0.0078125
    k(  255) = (   0.9375000   1.5516288   0.0000000), wk =   0.0078125
    k(  256) = (   0.9375000   1.6237976   0.0000000), wk =   0.0078125

 PseudoPot. # 1 for C  read from file:
 ./C_PZ_r.oncvpsp.upf
 MD5 check sum: 8244e5e5a9dbe7466d722c8d0ea51c4b
 Pseudo is Norm-conserving + core correction, Zval =  4.0
 Generated using ONCVPSP code by D. R. Hamann
 Using radial grid of 1234 points,  4 beta functions with: 
            l(1) =   0
            l(2) =   0
            l(3) =   1
            l(4) =   1
 EPW          :     8.05s CPU        34.38s WALL

 EPW          :    30.85s CPU        59.36s WALL

 No wavefunction gauge setting applied
 -------------------------------------------------------------------
 Wannierization on 16 x 16 x  1 electronic grid
 -------------------------------------------------------------------

 Spin CASE ( default = unpolarized )

 Initializing Wannier90


 Initial Wannier projections

 (   0.99756   0.56682   0.96592) :  l =   0 mr =   1
 (   0.74793   0.36739   0.48064) :  l =   0 mr =   1
 (   0.07375   0.00536   0.34708) :  l =   0 mr =   1
 (   0.34224   0.21795   0.13316) :  l =   0 mr =   1
 (   0.90052   0.38677   0.44548) :  l =   0 mr =   1
 (   0.66193   0.01611   0.65085) :  l =   0 mr =   1
 (   0.64641   0.32299   0.85569) :  l =   0 mr =   1
 (   0.40129   0.20687   0.96854) :  l =   0 mr =   1

  - Number of bands is ( 20)
  - Number of wannier functions is (  8)
  - All guiding functions are given 

Reading data about k-point neighbours

  - All neighbours are found 

 AMN
  k points =   256 in    4 pools
        1 of   64 on ionode
        2 of   64 on ionode
        3 of   64 on ionode
        4 of   64 on ionode
        5 of   64 on ionode
        6 of   64 on ionode
        7 of   64 on ionode
        8 of   64 on ionode
        9 of   64 on ionode
       10 of   64 on ionode
       11 of   64 on ionode
       12 of   64 on ionode
       13 of   64 on ionode
       14 of   64 on ionode
       15 of   64 on ionode
       16 of   64 on ionode
       17 of   64 on ionode
       18 of   64 on ionode
       19 of   64 on ionode
       20 of   64 on ionode
       21 of   64 on ionode
       22 of   64 on ionode
       23 of   64 on ionode
       24 of   64 on ionode
       25 of   64 on ionode
       26 of   64 on ionode
       27 of   64 on ionode
       28 of   64 on ionode
       29 of   64 on ionode
       30 of   64 on ionode
       31 of   64 on ionode
       32 of   64 on ionode
       33 of   64 on ionode
       34 of   64 on ionode
       35 of   64 on ionode
       36 of   64 on ionode
       37 of   64 on ionode
       38 of   64 on ionode
       39 of   64 on ionode
       40 of   64 on ionode
       41 of   64 on ionode
       42 of   64 on ionode
       43 of   64 on ionode
       44 of   64 on ionode
       45 of   64 on ionode
       46 of   64 on ionode
       47 of   64 on ionode
       48 of   64 on ionode
       49 of   64 on ionode
       50 of   64 on ionode
       51 of   64 on ionode
       52 of   64 on ionode
       53 of   64 on ionode
       54 of   64 on ionode
       55 of   64 on ionode
       56 of   64 on ionode
       57 of   64 on ionode
       58 of   64 on ionode
       59 of   64 on ionode
       60 of   64 on ionode
       61 of   64 on ionode
       62 of   64 on ionode
       63 of   64 on ionode
       64 of   64 on ionode

 AMN calculated

 MMN
  k points =   256 in    4 pools
        1 of   64 on ionode
        2 of   64 on ionode
        3 of   64 on ionode
        4 of   64 on ionode
        5 of   64 on ionode
        6 of   64 on ionode
        7 of   64 on ionode
        8 of   64 on ionode
        9 of   64 on ionode
       10 of   64 on ionode
       11 of   64 on ionode
       12 of   64 on ionode
       13 of   64 on ionode
       14 of   64 on ionode
       15 of   64 on ionode
       16 of   64 on ionode
       17 of   64 on ionode
       18 of   64 on ionode
       19 of   64 on ionode
       20 of   64 on ionode
       21 of   64 on ionode
       22 of   64 on ionode
       23 of   64 on ionode
       24 of   64 on ionode
       25 of   64 on ionode
       26 of   64 on ionode
       27 of   64 on ionode
       28 of   64 on ionode
       29 of   64 on ionode
       30 of   64 on ionode
       31 of   64 on ionode
       32 of   64 on ionode
       33 of   64 on ionode
       34 of   64 on ionode
       35 of   64 on ionode
       36 of   64 on ionode
       37 of   64 on ionode
       38 of   64 on ionode
       39 of   64 on ionode
       40 of   64 on ionode
       41 of   64 on ionode
       42 of   64 on ionode
       43 of   64 on ionode
       44 of   64 on ionode
       45 of   64 on ionode
       46 of   64 on ionode
       47 of   64 on ionode
       48 of   64 on ionode
       49 of   64 on ionode
       50 of   64 on ionode
       51 of   64 on ionode
       52 of   64 on ionode
       53 of   64 on ionode
       54 of   64 on ionode
       55 of   64 on ionode
       56 of   64 on ionode
       57 of   64 on ionode
       58 of   64 on ionode
       59 of   64 on ionode
       60 of   64 on ionode
       61 of   64 on ionode
       62 of   64 on ionode
       63 of   64 on ionode
       64 of   64 on ionode
 MMN calculated

 Running Wannier90

 Wannier Function centers (cartesian, alat) and spreads (ang):

 (   0.76331   0.59782  -2.52659) :  32.01251
 (   0.77234   0.68360   4.25696) :  77.66098
 (  -0.04502  -0.07908   8.58230) :  38.90560
 (   0.19348  -0.05884   3.42775) :  20.19833
 (   0.83862   0.11635   8.99787) :  57.29449
 (   0.78618  -0.28855  -7.78560) :  65.23885
 (   0.56202   0.27763  -5.23224) :  37.64727
 (   0.18074   0.17262   0.05952) :  30.14148

 -------------------------------------------------------------------
 WANNIER      :    953.82s CPU   1021.53s WALL (       1 calls)
 -------------------------------------------------------------------

 Dipole matrix elements calculated


 Calculating kmap and kgmap
 Progress  kmap: ########################################
 Progress kgmap: ########################################
 kmaps        :    511.32s CPU    514.02s WALL (       1 calls)
 Symmetries of bravais lattice:  24
 Symmetries of crystal:           2


 ===================================================================
 irreducible q point #    1
 ===================================================================

 Symmetries of small group of q:  2
      in addition sym. q -&gt; -q+G:

 Number of q in the star =    1
 List of q in the star:
      1   0.000000000   0.000000000   0.000000000

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Error in routine readmat_shuffle2 (2):
opening file./save/calc.dyn_q1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

 stopping ...

MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD
with errorcode 1.

NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.

Thanks and regards,
Anindya Bose
JRF,IIIT ALLAHABAD

Hello,

The code is telling you that it cannot find the dynamical matrix from the save folder "./save/calc.dyn_q1"

You have to run the pp.py script from EPW/bin/pp.py in the directory to create the save folder.

Best,
Samuel