[Wannier] Error in wannier90.x execution

[ahsan habib]

When I command mpiexec -np 2 pw2wannier90.x<silicon.pw2wan>silicon.pw2wan.out. 

 I got this error 

Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

Backtrace for this error:
#0  0x7F95A9A04407
#1  0x7F95A9A04A1E
#2  0x7F95A8D040DF
#3  0x7F95A8D61226
#4  0x7F95AA25F060
#5  0x7F95947A1176
#6  0x7F959560A634
#7  0x7F95955FE664
#8  0x7F95938E3E5B
#9  0x7F95938E43F4
#10  0x7F95938DBC02
#11  0x7F9593AF4864
#12  0x7F95AA1BECCC
#13  0x7F95AA5087A3
#14  0x58C85C
#15  0x58BC54
#16  0x41BD3C
#17  0x41EBAF
#18  0x404A8C
#19  0x7F95A8CF0B44
#20  0x404AB5
#21  0xFFFFFFFFFFFFFFFF
--------------------------------------------------------------------------
mpiexec noticed that process rank 0 with PID 8116 on node black exited on signal 11 (Segmentation fault).
--------------------------------------------------------------------------

Md. Ahsan Habib
EEE, KUET
Khulna, Bangladesh.