SAP Message WT711 - Matl grp restriction only poss. w. redeterm. of general matl master data

Diagnosis
You have chosen to use the merchandise category area as an additionalmaterial limitation. You have not, however, selected theredetermination of general material master data. General materialmaster data must be redetermined before merchandise categories can beused as a limitation.

Procedure
Select the redetermination of general material master data.
Delete the data you entered in the merchandise category area.