When the MSGFILE(SYSPRINT) run-time option is specified, you must ensure that the standard SYSPRINT file is opened in the major PL/I task before any subtask is ever created.
The ONCODE associated with this message is 96.
The ERROR condition is raised.
Ensure that the above rule has not been violated. One method is to add an OPEN statement for the SYSPRINT file at the start of the major PL/I task before an subtasks are created.
IBM0I4