CASCD0003S Failed to 'exec' COBOL RTS, reason = errno

TX was unable to run the COBOL RTS in the TX daemon process A UNIX 'exec' call returned with errno set to errno.
Restriction: This topic applies only when the Enterprise Server feature is enabled.
System Action:
The TX daemon is not started.
Resolution:
Correct the cause of the error and retry.
Module:
dfhtxs
Destination:
standard error