An OPEN macro was issued for a subsystem data set, such as SYSIN or SYSOUT, whose DCB specified a macro format of EXCP (MACRF=E). The EXCP macro instruction cannot be used for subsystem data sets. In the message text, ddn is the name of the DD statement for the subsystem data set. If the data set is a concatenated subsystem data set, the ddname field in the message text is blank.
The data set is not opened but control is returned to the problem program. Attempts to read or write the data set can result in abnormal end.
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.
Probable user error. Correct the MACRF operand of the DCB to specify a BSAM or QSAM macro instruction.
DFSMSdfp
IGC0001I, IGC0002B
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