620: IRP_PROTOCOL_ERROR

An internal protocol error has occurred while trying to communicate with the target CICS® system.

System Action

The DPL request is terminated, the pipe is forced into a must close state, and the external CICS interface takes a system dump.

User Response

This is an external CICS interface error. Keep the dump and contact your IBM® support center.

Note: The pipe is in a must close state after this error, and before attempting further calls must first be closed and reopened.