How To Fix 12318 - A material has been changed

SAP Error Message - Details

• Message type: E = Error

• Message class: 12 - Herstelldatum/Mindesthaltbarkeitsdatum/Chargen

• Message number: 318

• Message text: A material has been changed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 12318 - A material has been changed ?

  The SAP error message 12318, which states "A material has been changed," typically occurs in the context of material master data management. This error indicates that the material you are trying to work with has been modified since it was last accessed or processed in your current session. This can happen in various scenarios, such as during inventory management, production planning, or when creating purchase orders.
  Cause:
  
  Concurrent Changes: Another user or process has made changes to the material master data while you were working with it.
  Data Locking: The material may be locked for editing by another transaction or user, leading to inconsistencies.
  Background Jobs: A background job may have updated the material data while you were trying to access it.
  
  Solution:
  
  Refresh the Data: Exit the transaction and re-enter it to refresh the data. This will ensure you are working with the most current version of the material master.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the material. If you find locks, you may need to wait for them to be released or contact the user who has locked the material.
  Review Changes: If you have access, review the change logs for the material using transaction MM03 (Display Material) and check the "Changes" tab to see what modifications were made.
  Communicate with Users: If multiple users are working on the same material, coordinate with them to avoid conflicts and ensure that everyone is aware of the changes being made.
  Retry the Transaction: After refreshing or resolving any locks, try to perform the transaction again.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and SM12 (Display and Delete Locks).
  User Authorizations: Ensure that you have the necessary authorizations to view or edit the material master data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be specific fixes or recommendations provided by SAP.
  
  If the problem persists after trying these solutions, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further assistance.