How To Fix COWIPB219 - WIP batch assignment not unique; GR batch will not be created

COWIPB219 - Overview

• Message type: E = Error

• Message class: COWIPB - Messages for WIP Batch

• Message number: 219

• Message text: WIP batch assignment not unique; GR batch will not be created

What causes this issue?

Several WIP batches are assigned to the goods receipt line.
However, the @0Y@ <ZK>WE Batch</> function in the <ZK>Goods Receipts</>
area can only be performed if just one WIP batch is assigned to the
goods receipt line. The system needs a unique WIP batch to create a
goods receipt batch and adopt the characteristics from the WIP batch.

System Response

The system terminates the function.

How to fix this error?

To create goods receipt batches, proceed as follows:
In the case of external number assignment for batches, enter a goods
receipt batch for the corresponding WIP batch in the <ZK>WIP Batch</>
area.
In the case of internal number assignment, select the corresponding WIP
batch and choose @CN@ <ZK>Int. Batch No. Generate GR</>
The system adopts this batch in the <ZK>Goods Receipts</> area.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message COWIPB219 - WIP batch assignment not unique; GR batch will not be created ?

  The SAP error message COWIPB219 indicates that there is an issue with the assignment of Work in Progress (WIP) batches. Specifically, it means that the WIP batch assignment is not unique, which prevents the creation of a Goods Receipt (GR) batch. This error typically arises in the context of production orders and inventory management.
  
  Cause:
  
  
  Duplicate Batch Numbers: The most common cause of this error is that there are multiple production orders or WIP batches that are trying to use the same batch number. This can happen if the same batch is assigned to different production orders or if there are inconsistencies in batch management.
  
  
  Batch Management Settings: If batch management is not configured correctly for the materials involved, it can lead to conflicts in batch assignments.
  
  
  Incomplete or Incorrect Data: If the data related to the production order or the material master is incomplete or incorrect, it can lead to issues in batch