How To Fix WN012 - No changes made

SAP Error Message - Details

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 012

• Message text: No changes made

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WN012 - No changes made ?

  The SAP error message WN012 ("No changes made") typically occurs in the context of the SAP system when a user attempts to save changes to a document or record, but the system detects that no actual changes were made to the data. This can happen in various transactions, such as when working with material master records, purchase orders, or other data entry forms.
  Causes of WN012 Error
  
  
  No Data Modification: The most common cause is that the user did not make any changes to the fields in the transaction. The system checks for changes and if none are detected, it triggers this message.
  
  
  Unintentional Save: The user may have pressed the save button without making any modifications, leading to the error.
  
  
  Data Locking: In some cases, if the data is locked by another user or process, the system may not allow changes, resulting in this message.
  
  
  Validation Rules: Certain validation rules or conditions may prevent changes from being recognized, even if the user believes they have made modifications.
  
  
  Solutions to WN012 Error
  
  
  Verify Changes: Ensure that you have actually made changes to the fields in the transaction. Check if the fields you intended to modify are indeed different from the existing values.
  
  
  Re-enter Data: If you believe you made changes, try re-entering the data in the fields and then saving again.
  
  
  Check for Locks: If you suspect that the data might be locked, check with your system administrator or use transaction codes like SM12 to see if there are any locks on the data you are trying to modify.
  
  
  Review User Permissions: Ensure that you have the necessary permissions to make changes to the data. Sometimes, lack of authorization can prevent changes from being saved.
  
  
  Consult Documentation: If the error persists, consult SAP documentation or your organization's SAP support team for specific guidance related to the transaction you are working on.
  
  
  Related Information
  
  Transaction Codes: Depending on the context, you may be using different transaction codes (e.g., MM02 for material master, ME22N for purchase orders).
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or module you are working with.
  User Training: Sometimes, user training can help reduce the occurrence of such errors by ensuring users understand how to properly make and save changes in the system.
  
  If the issue continues after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.