Message SAP /ISDFPS/FDP880 - Relationship between '&1' and '&2' (&3-&4) inherited; cannot be changed

Diagnosis
The additional data for the relationship (force provider, initialsupplier of personnel and materials) cannot be changed because thecorresponding operational/exercise relationship has been inherited froma higher-level force element in the organizational structure.

System Response
You cannot change the data for the current force element.

Procedure
Change the additional data for the specified force element from whichthe relationship was inherited. In the "Inheritance ID" and"Relationship Inherited from" columns, you can see the higher-levelforce element from which the relationship was inherited.