Assembly / HLASM · Abend code
What does System Completion Code S522 mean in Assembly / HLASM?
A job or TSO session exceeded the maximum wait time the system allows — most often because a required tape or removable volume was never mounted within the allotted window, or a program sat waiting on an event, such as a WTOR reply or an ECB post, that never occurred.
A job or TSO session exceeded the maximum wait time the system allows — most often because a required tape or removable volume was never mounted within the allotted window, or a program sat waiting on an event, such as a WTOR reply or an ECB post, that never occurred.
Check the console for an outstanding mount request or WTOR that went unanswered, and if long waits are genuinely expected, work with operations to raise the installation's wait-time limit instead of letting jobs abend.