How To Fix WUE021 - Allocation qty for plant &1, article &3 is not equal to the item qty

SAP Error Message - Details

• Message type: E = Error

• Message class: WUE - Messages in package WAKT_ADD_ON

• Message number: 021

• Message text: Allocation qty for plant &1, article &3 is not equal to the item qty

What causes this issue?

The total corrected allocation quantity of delivery phases does not
equal the corrected allocation quantity at item level.

System Response

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

How to fix this error?

Please correct one of the two quantities.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WUE021 - Allocation qty for plant &1, article &3 is not equal to the item qty ?

  The SAP error message WUE021 indicates a discrepancy between the allocation quantity for a specific plant and article and the item quantity in a transaction. This error typically arises in the context of inventory management, sales order processing, or stock allocation processes.
  Cause:
  
  
  Mismatch in Quantities: The allocation quantity for the specified plant and article does not match the item quantity that is being processed. This can happen if:
  
  The allocation has been changed after the item quantity was set.
  There are manual adjustments or discrepancies in stock levels.
  The system is trying to allocate more or less stock than what is available or required.
  
  
  
  Configuration Issues: There may be configuration settings in the system that are not aligned with the business processes, leading to incorrect calculations or expectations regarding allocation.
  
  
  Data Entry Errors: Manual entry errors during the creation of sales orders, purchase orders, or stock transfers can lead to mismatched quantities.
  
  
  Solution:
  
  
  Check Allocation and Item Quantities: Review the allocation quantities for the specified plant and article. Ensure that they match the item quantity being processed. You can do this by:
  
  Navigating to the relevant transaction (e.g., sales order, delivery) and checking the item details.
  Verifying the stock levels in the plant for the article in question.
  
  
  
  Adjust Quantities: If there is a discrepancy, adjust either the allocation quantity or the item quantity to ensure they are equal. This may involve:
  
  Modifying the sales order or delivery to reflect the correct quantities.
  Updating the allocation in the system if it was incorrectly set.
  
  
  
  Review Configuration: If this error occurs frequently, review the configuration settings related to inventory management and allocation processes. Ensure that they align with your business requirements.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling allocation errors. This may provide additional insights into the root cause and potential fixes.
  
  
  Check for Updates or Patches: Sometimes, system bugs can cause unexpected behavior. Ensure that your SAP system is up to date with the latest patches and updates.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MB1A: Goods Withdrawal
  VA01: Create Sales Order
  VL01N: Create Outbound Delivery
  
  
  SAP Notes: Search for SAP Notes related to error WUE021 for any known issues or fixes.
  User Exits and BAdIs: If custom logic is implemented, check for any user exits or BAdIs that might affect allocation behavior.
  
  By following these steps, you should be able to identify the cause of the WUE021 error and implement a solution to resolve it.