The system has enforced the single mode regarding rules or has recognized a non-supported recording mode. Single mode recording rules require that all data on a tape volume is written only in COMP mode or only in NOCOMP mode. The mode of the first data that is written on the volume determines the mode for all other data written on the volume.
The system ends the scratch or partial release function.
If the error recurs and the program is not in error, look at the messages in the job log for more information. Search problem reporting data bases for a fix for the problem. If no fix exists, contact the IBM® Support Center. Provide the JCL, the SYSOUT output, the program listing for the job, and all printed output and output data sets related to the problem.
DFSMSdfp
9,11
4