Message SAP /ISDFPS/FORCER013 - Relationship between &1 and &2 was not created or changed

Diagnosis
The assignment between &V1& and &V2& could not be created or changed,since a different assignment exists that contradicts this assignment.

System Response
The data record was not created or changed.

Procedure
Resolve the conflicts and reattempt to create or change the record.(Depending on the type of relationship,) make sure that the attributesbelow differ:

  • Objects involved (force element, material planning object (MPO),
    • material container (MC), equipment or provisions package (EPA or PPA),reportable item code (RIC))
    • Assignment period

    • Status

    • Material indicator (for assignments of MPOs only)

    • Usage type (for assignments of MPOs, MCs, and RICs only)