AVZ4121W service OF desc FAILED, RC=rcode
Explanation
SEF message processing encountered a failure in a product service routine. A particular instance of this generic message may relate to a GETMAIN failure that occurs while attempting to allocate a REXX work space. In this case, the return code indicates the return code from the storage management routine.
User response
Check the message related to the failure, and attempt to resolve the problem. In the case of a storage allocation failure, check for related MVS™ and product messages. Also, ensure that your installation has an exit (e.g IEFUSI) that limits virtual storage allocation. If possible, correct the problem, and retry the operation.