Diagnosis
A main assignment is only consistent if the relevant assignments arelocated within the same category and the validity periods form anuninterrupted series. You must have defined at least one assignment as amain assignment.
These conditions have not been met with the current assignments, that isto say, either assignments in different categories were defined as themain assignment, the defined assignments are located within the samecategory but do not form an uninterrupted series, or no assignment wasdefined as the main assignment.
In addition, the valid-from date of a main assignment cannot be in thefuture.
Continued maintenance is only possible in article hierarchy maintenance.

System Response
The system did not transfer the entered assignments.

Procedure
Define the main assignments in such a way that the above conditions aremet and the required consistency is achieved.