IBM i CPF, MCH and RPG messages

Find explanations for IBM i CPF, MCH and RPG messages, with job-log guidance.

All 87 codes

Working with IBM i errors

Start with the full job-log message and its second-level text. Message identifiers can be followed by substitution values and earlier diagnostic messages that change the recovery action. For CPF, CPA, CPD and MCH messages, use DSPMSGD against QSYS/QCPFMSG to read the installed-release description.

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.