How To Fix EWA459 - Allocation of Container(&1) <-> Object Allocation(&2) was reversed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 459

• Message text: Allocation of Container(&1) <-> Object Allocation(&2) was 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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message EWA459 - Allocation of Container(&1) <-> Object Allocation(&2) was reversed ?

  The SAP error message EWA459 indicates that there is a mismatch or inconsistency in the allocation of a container to an object. This typically occurs in the context of SAP's Extended Warehouse Management (EWM) or similar modules where containers (like handling units) are allocated to specific objects (like storage bins or orders).
  Cause:
  
  Data Inconsistency: The error often arises when there is a discrepancy between the expected allocation of a container and the actual allocation recorded in the system.
  Manual Changes: If manual changes were made to the allocation of containers or objects, it could lead to this error.
  System Errors: Bugs or issues in the system during the allocation process can also cause this error.
  Incorrect Configuration: Misconfiguration in the warehouse management settings or master data can lead to allocation issues.
  
  Solution:
  
  Check Allocation Records: Review the allocation records for the container and the object to identify any discrepancies. Ensure that the container is correctly allocated to the intended object.
  Reallocate Containers: If the allocation is incorrect, you may need to reallocate the container to the correct object. This can often be done through the relevant transaction codes in SAP.
  Review Manual Changes: If manual changes were made, verify that they were done correctly and in accordance with the system's requirements.
  System Logs: Check system logs for any errors or warnings that occurred during the allocation process. This can provide insights into what went wrong.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling allocation errors in your version of SAP.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCWM/PRDI for managing warehouse processes or /SCWM/ORD for order management.
  Master Data: Ensure that the master data for containers and objects is correctly maintained and up to date.
  User Authorizations: Check if the user has the necessary authorizations to perform allocation tasks.
  System Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these can resolve known issues.
  
  By following these steps, you should be able to diagnose and resolve the EWA459 error in your SAP system.