How To Fix WB2B2120 - Assignment exists. The field &1 of shadow item &2|&3 cannot be changed.

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B2 - Trading Contract (part 2)

• Message number: 120

• Message text: Assignment exists. The field &1 of shadow item &2|&3 cannot be changed.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B2120 - Assignment exists. The field &1 of shadow item &2|&3 cannot be changed. ?

  The SAP error message WB2B2120 indicates that there is an issue with changing a field in a shadow item due to an existing assignment. This typically occurs in the context of SAP's logistics or materials management modules, particularly when dealing with item assignments in documents like purchase orders, sales orders, or inventory management.
  Cause:
  The error message is triggered when you attempt to change a field in a shadow item (which is a temporary representation of an item in a document) that is already linked to an existing assignment. This means that the system has detected that the field you are trying to modify is not allowed to be changed because it is already associated with a specific assignment or transaction.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments: Review the existing assignments related to the shadow item. You can do this by navigating to the relevant document or transaction where the shadow item is being used. Look for any linked items or assignments that may be causing the restriction.
  
  
  Modify the Assignment: If you need to change the field, you may need to first remove or modify the existing assignment that is causing the conflict. This could involve deleting the assignment or changing the relevant data in the assignment.
  
  
  Use the Correct Transaction: Ensure that you are using the correct transaction or process to make the changes. Sometimes, certain fields can only be modified in specific transactions or under certain conditions.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the shadow item and the fields you are trying to change. There may be specific rules or conditions that apply to the fields in question.
  
  
  Contact Support: If you are unable to resolve the issue on your own, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more detailed assistance based on your specific configuration and setup.
  
  
  Related Information:
  
  Shadow Items: In SAP, shadow items are often used in the context of document processing to represent items that are not yet finalized or are in a temporary state. Understanding how shadow items work in your specific SAP environment can help in troubleshooting.
  Field Restrictions: Different fields in SAP may have restrictions based on the document type, status, or other criteria. Familiarize yourself with these restrictions to avoid similar issues in the future.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context or solutions.
  
  By following these steps, you should be able to identify the cause of the WB2B2120 error and implement a solution to resolve it.