CASCD0136W Could not exec dfhgrtrm, reason = errno

TX attempted to exec dfhgrtrm, but the call failed with errno errno.
Restriction: This topic applies only when the Enterprise Server feature is enabled.
System Action:
Terminate the new process and abort the attempt to terminate a region. The region will continue to run.
Resolution:
Determine and fix cause of failure then retry.
Module:
cascd
Destination:
standard error and system console