Diagnosis
When you change the date of a change number, you also change thevalid-from date of all change statuses edited with the change number.The new date must be before the valid-from date of the succeedingchange status.
The current change number was used in recipe &V1&. You can, however,not assign the new date of the change number to the relevant changestatus since it is after the valid-from date of the succeeding changestatus. The system does not change the date of the change number.

Procedure
RESET N1
Check the dates of the succeeding change status in recipe &V1&.
Call Up Recipe Management
Choose a date for the change number that is before the start of thischange status.