Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide

Compiler or library subroutine failure

If you are convinced that the failure is caused by a compiler failure or a library subroutine failure, you should contact IBM.

Meanwhile, you can attempt to find an alternative way to perform the operation that is causing the trouble. A bypass is often possible because the PL/I language frequently provides an alternative method of performing a given operation.

Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide