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<div align="left">,Dear all</div>
<div align="left">  I calculated the band strucure and DOS of two half Heusler compounds( LuPdBi ,ScPdBi). There wasnt any problem about these calculations in present of spin orbit interaction.For optical properties I calulated x lapw 2 -fermi -so and this step was without any error but, in x optic -so -p this error apears. please help me</div>
<div align="left">Commandline: <b>x optic -p -so -c</b><br>Program input is: <b>""</b> <br><br></div>
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<div align="left"><pre>running OPTIC in parallel mode
[1] 21499
[2] 21521
 OPTIC END

real    0m1.008s
user    0m0.989s
sys     0m0.018s
forrtl: severe (174): SIGSEGV, segmentation fault occurred
Image              PC                Routine            Line        Source             
opticc             000000000041D4E7  outmat_                    76  outmat.f
opticc             000000000042F668  mom_mat_                  642  sph-UP_tmp.f
opticc             000000000041C167  MAIN__                    453  opmain.f
opticc             000000000040336C  Unknown               Unknown  Unknown
libc.so.6          0000003B2C81EE5D  Unknown               Unknown  Unknown
opticc             0000000000403269  Unknown               Unknown  Unknown

real    0m0.920s
user    0m0.912s
sys     0m0.008s
[2]  - Done                          ( $remote $machine[$p] "cd $PWD;$t $taskset0 $exe ${def}_${loop}.def;rm -f .lock_$lockfile[$p]" ) >> .timeop_$loop
[1]  + Done                          ( $remote $machine[$p] "cd $PWD;$t $taskset0 $exe ${def}_${loop}.def;rm -f .lock_$lockfile[$p]" ) >> .timeop_$loop
[1] 21545
[2] 21580
 OPTIC END

real    0m1.011s
user    0m0.994s
sys     0m0.016s
forrtl: severe (174): SIGSEGV, segmentation fault occurred
Image              PC                Routine            Line        Source             
opticc             000000000041D4E7  outmat_                    76  outmat.f
opticc             000000000042F668  mom_mat_                  642  sph-UP_tmp.f
opticc             000000000041C167  MAIN__                    453  opmain.f
opticc             000000000040336C  Unknown               Unknown  Unknown
libc.so.6          0000003B2C81EE5D  Unknown               Unknown  Unknown
opticc             0000000000403269  Unknown               Unknown  Unknown

real    0m0.172s
user    0m0.168s
sys     0m0.004s
[2]  - Done                          ( $remote $machine[$p] "cd $PWD;$t $taskset0 $exe ${def}_${loop}.def;rm -f .lock_$lockfile[$p]" ) >> .timeop_$loop
[1]  + Done                          ( $remote $machine[$p] "cd $PWD;$t $taskset0 $exe ${def}_${loop}.def;rm -f .lock_$lockfile[$p]" ) >> .timeop_$loop
[1] 21604
forrtl: severe (174): SIGSEGV, segmentation fault occurred
Image              PC                Routine            Line        Source             
opticc             000000000041D4E7  outmat_                    76  outmat.f
opticc             000000000042F668  mom_mat_                  642  sph-UP_tmp.f
opticc             000000000041C167  MAIN__                    453  opmain.f
opticc             000000000040336C  Unknown               Unknown  Unknown
libc.so.6          0000003B2C81EE5D  Unknown               Unknown  Unknown
opticc             0000000000403269  Unknown               Unknown  Unknown

real    0m0.618s
user    0m0.604s
sys     0m0.015s
[1]  + Done                          ( $remote $machine[$p] "cd $PWD;$t $taskset0 $exe ${def}_${loop}.def;rm -f .lock_$lockfile[$p]" ) >> .timeop_$loop
[1] 21645
[2] 21667
 OPTIC END

real    0m1.003s
user    0m0.984s
sys     0m0.017s
forrtl: severe (174): SIGSEGV, segmentation fault occurred
Image              PC                Routine            Line        Source             
opticc             000000000041D4E7  outmat_                    76  outmat.f
opticc             000000000042F668  mom_mat_                  642  sph-UP_tmp.f
opticc             000000000041C167  MAIN__                    453  opmain.f
opticc             000000000040336C  Unknown               Unknown  Unknown
libc.so.6          0000003B2C81EE5D  Unknown               Unknown  Unknown
opticc             0000000000403269  Unknown               Unknown  Unknown

real    0m0.282s
user    0m0.276s
sys     0m0.006s
[2]  - Done                          ( $remote $machine[$p] "cd $PWD;$t $taskset0 $exe ${def}_${loop}.def;rm -f .lock_$lockfile[$p]" ) >> .timeop_$loop
[1]  + Done                          ( $remote $machine[$p] "cd $PWD;$t $taskset0 $exe ${def}_${loop}.def;rm -f .lock_$lockfile[$p]" ) >> .timeop_$loop
[1] 21691
forrtl: severe (174): SIGSEGV, segmentation fault occurred
Image              PC                Routine            Line        Source             
opticc             000000000041D4E7  outmat_                    76  outmat.f
opticc             000000000042F668  mom_mat_                  642  sph-UP_tmp.f
opticc             000000000041C167  MAIN__                    453  opmain.f
opticc             000000000040336C  Unknown               Unknown  Unknown
libc.so.6          0000003B2C81EE5D  Unknown               Unknown  Unknown
opticc             0000000000403269  Unknown               Unknown  Unknown

real    0m0.185s
user    0m0.180s
sys     0m0.004s
[1]  + Done                          ( $remote $machine[$p] "cd $PWD;$t $taskset0 $exe ${def}_${loop}.def;rm -f .lock_$lockfile[$p]" ) >> .timeop_$loop
[1] 21714
 OPTIC END

real    0m0.071s
user    0m0.066s
sys     0m0.005s
[1]  + Done                          ( $remote $machine[$p] "cd $PWD;$t $taskset0 $exe ${def}_${loop}.def;rm -f .lock_$lockfile[$p]" ) >> .timeop_$loop
**  OPTIC crashed!
0.128u 0.196s 0:09.26 3.3%      0+0k 0+1024io 0pf+0w
error: command   /usr/local/codes/v13.1/opticcpara -c -so optic.def   failed

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<div style="TEXT-ALIGN:left">,Thank you</div></div>
<div style="TEXT-ALIGN:left"> Mitra Narimani</div></div>