How To Fix MW679 - Site &1: &3 to &4 &2 not maintained!

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 679

• Message text: Site &1: &3 to &4 &2 not maintained!

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 MW679 - Site &1: &3 to &4 &2 not maintained! ?

  The SAP error message MW679 typically indicates that there is an issue with the maintenance of stock or inventory data for a specific site (plant) in the system. The message format usually looks like this:
  MW679 Site &1: &3 to &4 &2 not maintained!
  Where:
  
  &1 is the site (plant) code.
  &2 is the material number.
  &3 and &4 represent the range of data (like storage location or other relevant details).
  
  Cause:
  The error occurs when the system is trying to access or process inventory data for a material at a specific site, but the necessary data has not been maintained. This could be due to:
  
  Missing master data for the material at the specified site.
  The material is not set up for the specific storage location or plant.
  Incorrect configuration in the material master or plant settings.
  The material might not be activated for the site in question.
  
  Solution:
  To resolve the MW679 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to transaction MM03 (Display Material) and enter the material number and site (plant).
  Verify that the necessary views (like Basic Data, Sales, Purchasing, and Plant Data) are maintained for the material at the specified site.
  
  
  
  Maintain Missing Data:
  
  If any required data is missing, you can maintain it using transaction MM01 (Create Material) or MM02 (Change Material).
  Ensure that the relevant views for the site are filled out correctly.
  
  
  
  Check Storage Locations:
  
  If the error pertains to a specific storage location, ensure that the storage location is defined for the material in the plant.
  You can check this in the material master under the Plant Data/Storage view.
  
  
  
  Review Configuration:
  
  If you have access, review the configuration settings in the IMG (Implementation Guide) to ensure that the material and site are correctly set up.
  Check if the material is activated for the site in question.
  
  
  
  Consult Documentation:
  
  If you are unsure about the required data or configuration, refer to SAP documentation or consult with your SAP support team for guidance.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM01 - Create Material
  MM02 - Change Material
  MM03 - Display Material
  MMBE - Stock Overview
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that you have the necessary authorizations to view and edit material master data.
  
  By following these steps, you should be able to identify and resolve the issue causing the MW679 error in SAP.