631: RRMS_SEVERE_ERROR
During the processing of a DPL_Request, the EXCI code encountered an unexpected error while using its interface with Recoverable Resource Management Services (RRMS).
System Action
DPL_Request processing is terminated.
The external CICS® interface issues message DFHEX0002, and takes a system dump.
User Response
Use the dump, to determine why the request failed. This may be an internal EXCI error and you may need the assistance of your IBM® support center.