On Outlook boot, err message "some reminders will not appear"
 

On loading Outlook, Error dialogue box opens: “There was a problem reading
one or more of your reminders. Some reminders may not appear. Cannot locate
the information for this appointment,� with an “OK� button to click.

In fact, no Outlook reminders are working.
All other functions of Outlook are working properly.

All other functions working. Any way to re-enable calendar reminders?