How To Fix L9620 - Process causes double consumption posting

SAP Error Message - Details

• Message type: E = Error

• Message class: L9 - Function Modules

• Message number: 620

• Message text: Process causes double consumption posting

What causes this issue?

A goods issue for deliveries has already been posted for this order.
The execution of this activity will generate the creation of a further
goods issue delivery.

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?

Normally, you should terminate this transaction. If you are working in
a HU-managed storage location, use the HU-specific transactions for
material consumption postings.

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 L9620 - Process causes double consumption posting ?

  The SAP error message L9620, which states "Process causes double consumption posting," typically occurs in the context of inventory management and production processes. This error indicates that a process is attempting to consume materials in a way that would result in double counting or double consumption of inventory.
  Causes:
  
  Incorrect Configuration: The configuration of the material master or the production process may be set up incorrectly, leading to double consumption.
  Duplicate Process Steps: There may be duplicate steps in the production order or process that are causing the system to attempt to consume the same materials multiple times.
  Batch Management Issues: If batch management is enabled, issues with batch determination or assignment can lead to double postings.
  User Errors: Manual entries or incorrect data input during the production or inventory processes can lead to this error.
  Custom Code: If there are custom enhancements or user exits that manipulate inventory postings, they may inadvertently cause double consumption.
  
  Solutions:
  
  Review Configuration: Check the configuration settings for the material master, production orders, and inventory management to ensure they are set up correctly.
  Analyze Process Steps: Review the production process to identify any duplicate steps or processes that may be causing the double consumption.
  Check Batch Management: If applicable, verify the batch management settings and ensure that batches are being handled correctly.
  Correct User Entries: Train users on proper data entry procedures to minimize manual errors that could lead to this issue.
  Debug Custom Code: If there are custom enhancements, review the code to ensure it is not causing unintended double postings.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like MB1A, MB1B, or CO01 to analyze the material movements and production orders related to the error.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  Documentation: Refer to SAP documentation for detailed information on inventory management and production processes to better understand the underlying mechanics.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.