10000621 
Message
Enter termination date the same as or earlier than end date
Diagnosis
You have chosen 
Service 
Service Contract 
to open the Service Contract window. You have attempted to choose Update, but in the Termination
Date field, you have entered a date that is later than the end date.
Procedure
In the Service Contract window, in the Termination Date field, enter a date that is earlier than or the same as the end date.