z/OS and language runtime messages

Find explanations for z/OS, JES, TSO and language runtime messages.

All 67 codes

Working with z/OS messages errors

Read the complete message and any associated completion and reason codes. The same final abend can be preceded by different diagnostic messages. Record the job step, data-set or resource name and timestamp before choosing a recovery action.

Browse all 494 error codes · WND Terminal’s offline code hints

Use WND Terminal with your host system

WND Software develops WND Terminal Emulator for mainframe, IBM i and UNIX access. For connection and keyboard features, see the 3270 terminal emulator or 5250 emulator for IBM i. Explain this screen provides screen-specific assistance using the model endpoint and context permitted by IT; the reference article explains the code independently.