MSIR.0602 JAN(US)DEB(UG) commands cannot be nested
A JANUSDEBUG command was issued while a previous request was still being debugged. Allow the previous request to complete before issuing a JANUSDEBUG command.
Message attributes:
| RETCODEO=0 | Sets online return code | 
|---|---|
| RETCODEB=4 | Sets batch (single user) return code | 
| CLASS=E | Error class; the message can be suppressed with the X'04' bit setting of the MSGCTL parameter | 
| AUDITER | Writes the message with line type ER to the audit trail | 
| COUNT | Increments the error count (ERCNT) parameter |