An uncorrectable input/output error occurred while reading the user input header labels on the SYSUT1 data set.
The program is ended. The return code is 12.
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 and all printed output and output data sets related to the problem.
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