How To Fix MM055 - At least one & has been used

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 055

• Message text: At least one & has been used

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 MM055 - At least one & has been used ?

  The SAP error message MM055 ("At least one & has been used") typically occurs in the Materials Management (MM) module when you are trying to delete or change a material master record that is still being referenced in other transactions or documents. This error is a safeguard to prevent the deletion of data that is still in use, which could lead to inconsistencies in the system.
  Cause:
  The error can be triggered by several scenarios, including but not limited to:
  
  Material in Use: The material you are trying to delete or change is currently being used in purchase orders, sales orders, stock movements, or other transactions.
  Open Purchase Orders: There are open purchase orders that reference the material.
  Stock in Inventory: The material has stock that is still available in inventory.
  Dependencies: The material is linked to other master data or documents that prevent its deletion.
  
  Solution:
  To resolve the MM055 error, you can take the following steps:
  
  
  Check References: Use transaction codes like ME2L (Purchase Orders by Vendor), ME2M (Purchase Orders by Material), or MB52 (List of Warehouse Stocks on Hand) to check if there are any open purchase orders or stock movements related to the material.
  
  
  Delete or Close Transactions: If you find any open transactions referencing the material, you will need to either delete those transactions (if appropriate) or close them (e.g., by receiving goods or completing the purchase order).
  
  
  Stock Management: If there is stock available for the material, you may need to perform a stock transfer or adjust the stock levels before attempting to delete the material.
  
  
  Use the Material: If the material is still needed, consider marking it as inactive instead of deleting it. This can often be done by changing the status of the material in the material master record.
  
  
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific guidance related to your organization's processes and policies.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing materials, such as:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  ME2L, ME2M: Display Purchase Orders
  MB52: List of Warehouse Stocks
  
  
  User Authorizations: Ensure that you have the necessary authorizations to make changes to material master records.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  
  By following these steps, you should be able to identify the cause of the MM055 error and take appropriate action to resolve it.