The transaction is in backout (or rollback) required state, because it received a backout request from the remote system, or because a previous synchronization level 2 intersystem request abnormally terminated. When in this state, the transaction must issue an EXEC CICS® SYNCPOINT ROLLBACK command. The transaction did not issue a rollback command, and the command that it did issue failed with this error code.
CICS abnormally terminates the intersystem request.
Examine, then correct, the logic of the transaction program to ensure that it issues an EXEC CICS SYNCPOINT ROLLBACK command when in backout required state. The CSMT log might show additional messages that help you identify the command that was issued and caused this error.