SAP Message RU633 - Detail area WIP batch not selectable (Customizing not active)

Diagnosis The detail area for WIPBatches cannot be selected because the WIP batch functionality is notactive in your enterprise. Procedure If you wish to use the WIP batch functionality, you must set theindicator for WIP batches in Customizing under Logistics General ->Batch Management -> WIP Batches -> Activate WIP Batch.