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

LB209 - Overview

• 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