How To Fix M3896 - Serial number management is not possible with backflushing

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 896

• Message text: Serial number management is not possible with backflushing

What causes this issue?

You have specified that the material is to be backflushed. You have
also defined a serial number profile, meaning that serial numbers have
to be used with goods movements. However, it is not possible to specify
serial numbers in conjunction with backflushing.

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?

Correct your entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3896 - Serial number management is not possible with backflushing ?

  The SAP error message M3896, which states "Serial number management is not possible with backflushing," typically occurs in the context of production and inventory management when trying to perform backflushing for materials that are managed with serial numbers. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  
  Serial Number Management: The error arises because the material in question is set up for serial number management, which requires explicit tracking of each individual item. Backflushing, on the other hand, is a process that automatically deducts materials from inventory based on production orders without the need for individual item tracking.
  
  
  Configuration Settings: The configuration settings in the material master or the production order may not allow for backflushing when serial numbers are involved.
  
  
  Production Process: The production process may not be designed to handle serial number tracking during backflushing, which is typically used for bulk materials or items that do not require individual tracking.
  
  
  Solutions:
  
  
  Change the Backflushing Method: If serial number tracking is necessary, consider using a different method for issuing materials that allows for serial number management. This could involve manual goods movements instead of backflushing.
  
  
  Review Material Master Settings: Check the material master settings for the affected materials. Ensure that the serial number management settings are appropriate for the production process being used. You may need to adjust the settings to allow for backflushing if that is acceptable for your business process.
  
  
  Adjust Production Order Settings: Review the production order settings to ensure that they are compatible with the use of serial numbers. You may need to change the order type or the settings related to backflushing.
  
  
  Use Alternative Transactions: If backflushing is not suitable for your scenario, consider using alternative transactions for goods movements that allow for serial number management, such as manual goods issues or confirmations.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling serial numbers and backflushing in your version of SAP.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  
  
  User Exits and BAdIs: If your organization has specific requirements, consider using user exits or Business Add-Ins (BAdIs) to customize the behavior of backflushing in relation to serial number management.
  
  
  Training and Best Practices: Ensure that users involved in production and inventory management are trained on the implications of serial number management and the appropriate processes to follow.
  
  
  By addressing the configuration and process issues related to serial number management and backflushing, you can resolve the M3896 error and ensure smoother operations in your SAP environment.