CASSI1745E Error loading product-name support (cannot find module-name)

The PL/I support is loaded at system initialization if present/required. This operation was unsuccessful.
System Action:
Region initialization will continue but PL/I programs will not function correctly.
Resolution:
Make sure that the PL/I product is properly installed and that all required environment variables for it have been set.
Module:
dfheini1
Destination:
Console and standard error.