Diagnosis
A version has been edited incorrectly during a set operation. This iswhy it cannot be used for further set operations in the current list ofset operations to be performed.

System Response
If a version has been edited incorrectly, it cannot be used for furtherset operations in the list. Otherwise, subsequent set operations mayproduce undesired results.

Procedure
After you have processed the set operations list, you can use theversion for set operations again.