Running SCRT it is possible to get the below error:
JVMJZBL1038E Child shell process exited with exit code: 125
JVMJZBL1042E JZOS batch launcher failed, return code=102
How to recover it.
A possible cause of this error is that the jcl executed contains the line numbers in columns 72-80.
If this is the case, the UNNUMBER option used to remove them can help fixing it.