The system detected a condition prefix following a label prefix. This is not permitted under the rules of PL/I. A condition prefix must always precede any label prefix.
If the error recurs and the program is not in error, search problem reporting data bases for a fix for the problem. If no fix exists, contact the IBM® Support Center. Provide all printed output and output data sets related to the problem.
Correct any errors in the PL/I source statement and let the syntax checker scan it again. Compile the statement as part of a valid program.
Programming Language/I (PL/I)