Diagnosis
Either the usage type could not be changed as desired, or you answered"No" when asked whether any table values should be deleted.

System Response
The system has reentered the previous usage type.

Procedure
If you want to and are able to change the usage type (prompt willfollow), answer "Yes" to the prompt.
If you change the usage type, part objects are deleted, since they arenot valid for the new usage type.