Diagnosis
If you change the date of a change number, you also change thevalid-from date of all change statuses edited with this change number.The new date must be after the valid-from date of the preceding changestatus.
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 before the valid-from date of the preceding changestatus. The system does not change the date of the change number.

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