How To Fix WW053 - MG / plant allocations exist. Deletion not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 053

• Message text: MG / plant allocations exist. Deletion not possible

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Delete the assignments plant/material groups if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WW053 - MG / plant allocations exist. Deletion not possible ?

  The SAP error message WW053 ("MG / plant allocations exist. Deletion not possible") typically occurs when you attempt to delete a material master record or a related object, but there are existing allocations or dependencies that prevent the deletion. This is often related to the material being assigned to a plant or having stock, purchase orders, or other transactions associated with it.
  Causes:
  
  Existing Allocations: The material is allocated to one or more plants, which means it has stock or is involved in transactions that prevent deletion.
  Open Purchase Orders: There may be open purchase orders or contracts that reference the material.
  Stock Levels: If there is stock of the material in the plant, it cannot be deleted until the stock is cleared.
  Dependencies: Other dependent objects (like BOMs, routings, or production orders) may reference the material.
  
  Solutions:
  
  Check Allocations: Use transaction codes like MMBE (Stock Overview) or MB52 (List Warehouse Stocks on Hand) to check if there is stock in the plant.
  Clear Stock: If there is stock, you may need to perform a stock transfer, sale, or write-off to clear the stock before attempting deletion.
  Review Open Purchase Orders: Use transaction code ME2N (Purchase Orders by PO Number) to check for any open purchase orders that reference the material. You may need to cancel or close these orders.
  Check Dependencies: Investigate if there are any BOMs, routings, or production orders that reference the material. You can use transaction codes like CS03 (Display BOM) or CO03 (Display Production Order) to check for dependencies.
  Use Transaction Code MM06: If you want to mark the material as obsolete instead of deleting it, you can use transaction code MM06 to flag the material for deletion without removing it from the database.
  Consult with Your SAP Administrator: If you are unsure about the dependencies or how to proceed, consult with your SAP administrator or a colleague with more experience in material management.
  
  Related Information:
  
  Material Master Data: Understanding how material master data is structured in SAP can help in managing and troubleshooting issues related to material records.
  Transaction Codes: Familiarize yourself with relevant transaction codes for material management, such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material).
  SAP Documentation: Refer to SAP Help documentation for detailed information on material management and error handling.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.