REGSSFAIL, Process pppp encountered error contributing to the snapshot for region rrrr - the snapshot is no longer valid.
MUPIP Error: A GT.M process encountered failure while opening snapshot file or attaching to shared memory or writing a block to the snapshot file, any of which invalidate the snapshot file. The original error should be in the operator log.
Action: Examine the operator log for messages issued by process pppp to obtain details of the failure and take action, possibly by modifying file access characteristics or user roles, to address the problem.