Diagnosis
If a capacity has already been transferred to SAP APO and thecorresponding resource is assigned to a model, data that already existsfor the base rate can no longer be changed.

Procedure
If you have not yet transferred a capacity to SAP APO or if theresource in SAP APO is not yet assigned to a model, you can ignore thismessage and change the data for the base rate.
If you have already transferred the capacity to SAP APO and theresource is assigned to a model, you first have to remove the resourcefrom all models in SAP APO before you can change data for the baserate.