0C4
One of the following exceptions occurred:
4
Protection exception. The key of the storage area that the running program tries to access is different from that of the running program. The key of the running program can be obtained from the PSW key field. The key of the storage can be obtained using the IPCS LIST subcommand. The programmer should determine whether the program is running with the correct key or whether the storage address is set up correctly.
The protection exception might have occurred when the program referenced a page that is protected with the PGSER PROTECT service, or is defined as shared by the IARVSERV service with a view of read-only.
check that the proper parameters are passed when making the call