SAP Message 12176 - Batch &1 is assigned to material &2

Diagnosis
In your system, the batch definition level = 'client' is defined, thatis, you cannot have two batches with the same name, not even fordifferent materials or different plants. The batch &V1& that youjust wanted to process, is not assigned to the material you entered,but to material &V2&.

Procedure
Delete the material number you have entered. As the batch and materialare uniquely assigned in the batch definition level = 'client', thesystem can work out the material number from the batch number.