Segmentation fault error

All the Radioss Jobs (Running on 1 Node with 8 CPUs) are getting terminated with final status as “failed”.

 

Content of Error File :

/var/spool/PBS/mom_priv/jobs/29151.mgt.SC: line 165: 12748 Segmentation fault      $starter_exe -np $cpus_np -nt $threads_nt -i $file_input

 

Exit Status Code in Output File :

FATAL:Starter error or errors detected in output file.Exited with status 139.

 

what could be the reason for the failure of the Jobs.