Error Message:

The AT schedule file is invalid. Please delete the file and create a new one.

Explanation:

Any action to correct the problem should be performed on that computer. The schedule file has been damaged, possibly by system errors.

User Action:

Restore the schedule file, SCHED.LOG, from a backup copy, or delete the file and create a new one with the AT utility. SCHED.LOG is in the LANMAN\\LOGS directory.