# CICS Reason Codes

When a message is recorded by the Substation ES CICS interfaces, it has a return code value of greater than zero (0). Normally, errors returned to the application program or reported by system modules have a return code of greater than four (4).

To resolve CICS informational and error messages, review the CICS function number and response values. Also, review the program and resource names associated with the message that contains the reason code for the cause of the reported condition.

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