The system definition subtask, ISTSDCLM, has not been reattached either because it has exceeded its maximum abend count or because VTAM® is halting. The command for the resource identified by the configname field cannot be successfully completed.
If the command is an activate command for a major node, path definition set, or DRDS data set, the command fails. For a VARY INACT command for a major node or path definition set, virtual storage is lost. Further activate or deactivate commands will fail in the same way, and produce this same message again until VTAM is restarted.
Save the system log for problem determination.
Correct the problem that caused an unexpected number of subtask ABENDs. Then restart VTAM to regain use of the subtask.
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