10000619 
Message
On "Coverage" tab, start times must be earlier than their corresponding end times
Diagnosis
You have chosen 
Service 
Service Contract 
to open the Service Contract window. You have attempted to choose Update, but on the Coverage tab,
you have entered a start time that is later than its corresponding end time.
Procedure
In the Service Contract window, on the Coverage tab, make sure that all start times are earlier than their corresponding end times.