SAP Message 12192 - The system cannot create any batches for material &1

Diagnosis
You are trying to create a batch for material &V1&. Severalother batches have been classified for this material. To preventdifferent classes from being assigned to the batches of this material,the system locked one of the other classified batches. This batch&V2& is currently being edited in a parallel session.

Procedure
Finish editing batch &V2& of material &V1& in one of theparallel sessions.