PL/I Multitasking Facility is not supported under CICS®, IMS™, DB2®, CMS, pre-initialized environment (both Language Environment-defined and PL/I-defined pre-initialized environment), and a nested enclave.
The application is terminated with the 4093-12 Abend.
Do not use the PL/I Multitasking Facility in the above environment, or run the multitasking application under z/OS.
IBM0I1