EXPLANATION This message should occur only on a down-level computer. Any action to correct the problem should be performed ...

EXPLANATION    This message should occur only on a down-level computer. Any action to correct the problem should be performed on that computer.  LAN Manager cannot read the schedule file because the file is damaged.    ACTION    Restore the schedule file from a backup copy, if you have one. If not, delete the file and create a new one with the AT utility.