How To Fix WU485 - Material &1 with sales unit &2 has already been allocated

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 485

• Message text: Material &1 with sales unit &2 has already been allocated

What causes this issue?

You selected one or more promotion items for which allocation should
take place.
You also included items for which allocation has already taken place.

System Response

Items for which allocation has taken place are ignored.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WU485 - Material &1 with sales unit &2 has already been allocated ?

  The SAP error message WU485 indicates that a specific material (denoted by &1) with a particular sales unit (denoted by &2) has already been allocated. This typically occurs in the context of sales order processing, inventory management, or production planning, where the system is trying to allocate stock for a sales order or delivery, but finds that the stock has already been allocated to another order.
  Cause:
  
  Stock Allocation: The material in question has already been allocated to another sales order or delivery, which means that the available stock is insufficient for the new allocation request.
  Inventory Management: The stock might be reserved for a different purpose, such as a production order or another sales order.
  Configuration Issues: There may be issues with the configuration of the material master or sales order settings that lead to incorrect allocation behavior.
  
  Solution:
  
  Check Stock Availability: Verify the stock levels for the material in question. Use transaction codes like MMBE (Stock Overview) to see if there is enough stock available.
  Review Allocations: Check which sales orders or deliveries have already allocated the stock. You can use transaction codes like VA03 (Display Sales Order) to see the details of the orders.
  Adjust Allocations: If necessary, you may need to adjust the allocations. This could involve:
  
  Releasing stock from other orders if they are no longer needed.
  Increasing stock levels through procurement or production.
  Changing the sales order to use a different material or sales unit if applicable.
  
  
  Check Configuration: Review the material master data and sales order configuration to ensure that there are no issues that could lead to incorrect allocations.
  Consult with Team: If the issue persists, consult with your SAP support team or functional consultant to investigate further.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MMBE, VA03, VL03N (Display Outbound Delivery), and CO09 (Availability Overview).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for sales order processing and inventory management to understand how allocations work in your specific configuration.
  
  By following these steps, you should be able to identify the cause of the WU485 error and take appropriate action to resolve it.