Return codes from IKJIFRIF

Upon return from the execute form of IKJIFRIF register 15, and optionally the RETCODE parameter you specified, contains a return code. The possible return codes and their explanations are as follows:

Return code	Explanation
0	Processing completed successfully
4	Processing unsuccessful - recovery environment could not be established
8	Processing unsuccessful - caller is in 24-bit addressing mode, but the argument address(es) were not valid 24-bit address(es)
12	Processing unsuccessful - incorrect interface function specified
16	Processing unsuccessful - user parameters were incorrect
20	Processing unsuccessful - An internal error occurred. The service return code field of the macro-generated parameter list contains further diagnostic information.
24	Processing unsuccessful - an abend occurred. The abend code field of the macro-generated parameter list contains further diagnostic information.
28	Processing incomplete. Deallocation failed. Check the broadcast data set to see if the function was successfully performed to the directory entry or entries. Also check the service return code field and the service reason code field for return codes from the dynamic allocation routine.
32	Processing unsuccessful - TSO/E Release 4 or higher is not installed.
36	Processing unsuccessful - too many arguments in the chain of user IDs for the requested function were passed to the broadcast data set interface routine and caused the amount of storage requested by the GETMAIN macro to become a negative amount.