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MIM0137E

CMDPREFIX prefix error-reason-text

Reason:

The subsystem command prefix value specified as the operand of the CMDPREFIX keyword has failed to be registered with the z/OS command prefix (CPF) service. Possible error reasons for the failure are as follows:

• The subsystem command prefix value contains invalid characters
• The subsystem command prefix value is already in use
• The subsystem command prefix value is a subset of an existing prefix
• The subsystem command prefix value is a superset of an existing prefix
• CPF registration failed

Action:

Use the SETOPTION MIM CMDPREFIX=cmdprefix command to specify a valid subsystem command prefix value acceptable to the z/OS command prefix facility.