Diagnosis
Your user profile registers all the BOM activities you are allowed tocarry out. For plant allocations, the system checks the field valuesfor the activitiy in combination with the plant.
Your current profile does not authorize you to change the BOM in plantV1.

Procedure
Consult the person responsible for assigning authorizations. The valuerange in your user profile may need to be changed.
If no change to your user profile is planned, inform the personresponsible for BOM maintenance.