SAP Message VBOB_MM_OB008 - Original batch is not permitted for material &1 &2

Diagnosis
You have tried to create an original batch for a production order or apurchase order item.
The material master does not allow you to create original batches forthe header material of the production order or the material in thepurchase order item.

Procedure
Maintain the 'Original Batch' indicator in the material master.