How To Fix EWA521 - Container allocation reversed

SAP Error Message - Details

• Message type: E = Error

• Message class: EWA - IS-U-WA: Waste Management

• Message number: 521

• Message text: Container allocation reversed

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 EWA521 - Container allocation reversed ?

  The SAP error message EWA521, which states "Container allocation reversed," typically occurs in the context of SAP's Extended Warehouse Management (EWM) or similar logistics processes. This error indicates that there is an issue with the allocation of containers in the system, often related to the handling of stock or inventory.
  Cause:
  
  Incorrect Container Management: The error may arise if there is a mismatch in the expected and actual container allocations. This can happen if containers are not properly assigned to the stock or if there are discrepancies in the inventory records.
  System Configuration Issues: Misconfigurations in the EWM settings or in the handling unit management can lead to this error.
  Data Inconsistencies: If there are inconsistencies in the data related to stock levels, handling units, or warehouse processes, it can trigger this error.
  User Actions: Manual interventions or incorrect processing steps by users can also lead to reversed allocations.
  
  Solution:
  
  Check Container Assignments: Review the container assignments in the system to ensure that they are correctly allocated. Verify that the handling units are properly linked to the stock.
  Review Configuration Settings: Ensure that the EWM and handling unit management configurations are set up correctly. This includes checking the settings for container management and stock handling.
  Data Consistency Check: Perform a data consistency check to identify any discrepancies in the inventory records. This may involve running reports or using transaction codes to analyze stock levels and handling units.
  Reprocess Transactions: If the error occurred during a specific transaction, consider reprocessing that transaction after correcting any identified issues.
  Consult Documentation: Refer to SAP documentation or notes related to EWA521 for specific guidance on resolving this error. SAP Notes may provide patches or updates that address known issues.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP EWM, such as /SCWM/PRDI for processing inbound deliveries or /SCWM/PRDO for outbound deliveries.
  SAP Notes: Search for SAP Notes related to EWA521 in the SAP Support Portal for any known issues or fixes.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  By following these steps, you should be able to diagnose and resolve the EWA521 error effectively.