How To Fix LB209 - Material &1 is already being processed within the current transaction

SAP Error Message - Details

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 209

• Message text: Material &1 is already being processed within the current transaction

What causes this issue?

You are maintaining batch-specific material units of measure for
material <(>&<)>V1& via the method for replicating batch-specific
material units of measure. This method uses buffering. In the same
<DS:GLOS.3526B221AFAB52B9E10000009B38F974>Logical Unit of Work (LUW)</>
you cannot carry out any further methods for the material that was
processed in this method.

System Response

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

How to fix this error?

Before you can process the material <(>&<)>V1& a second time, a
<DS:GLOS.3526B1C1AFAB52B9E10000009B38F974>database commit</> is
required to update the data.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LB209 - Material &1 is already being processed within the current transaction ?

  The SAP error message LB209 indicates that a material is already being processed within the current transaction. This typically occurs in scenarios where a material is locked for processing, preventing multiple transactions from being executed simultaneously on the same material. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Material Locking: The material is currently being processed in another session or transaction. This can happen if a user is trying to perform an operation (like goods movement, inventory management, etc.) on a material that is already being handled by another user or process.
  Transaction Overlap: If multiple users or processes are trying to access the same material at the same time, SAP will prevent this to maintain data integrity.
  Background Jobs: Sometimes, background jobs or batch processes may lock materials while they are being processed.
  
  Solutions:
  
  Check Active Sessions: Verify if another user or session is currently processing the material. You can use transaction codes like SM12 (to check for locks) to see if the material is locked by another user.
  Wait and Retry: If the material is being processed by another user, you may need to wait until that transaction is completed before trying again.
  Release Locks: If you have the necessary authorizations, you can release the lock on the material using transaction SM12. However, be cautious with this approach as it may lead to data inconsistencies if the other transaction is still in progress.
  Check Background Jobs: If a background job is processing the material, you may need to wait for it to complete or check the job status in transaction SM37.
  Consult with Colleagues: If you are in a shared environment, check with your colleagues to see if they are working on the same material.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs.
  MB52: To check material stock levels.
  
  
  User Authorizations: Ensure you have the necessary authorizations to view locks and manage materials.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for the specific module you are working with (e.g., MM for Materials Management) for more context on material processing.
  
  By following these steps, you should be able to identify the cause of the LB209 error and take appropriate action to resolve it.