Retrieval of update set got stuckIssue Retrieval of update sets struck while auto previewing the update set got struck.Cause There were records being struck under the sys_execution_tracker.ResolutionValidate if update sets / Update source retrieval being struck at Auto-preview state.Cancel all the relevant execution trackers.You may make Auto-preview property set to FALSE.Delete the Struck Update Sets from the Instance.Retrieve all completed update sets from Update Source - validate if it is Loaded Successfully