How To Fix CTS_WBO_API122 - Could not assign key field &1 to table structure &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CTS_WBO_API - WBO Remote API: Messages

• Message number: 122

• Message text: Could not assign key field &1 to table structure &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CTS_WBO_API122 - Could not assign key field &1 to table structure &2 ?

  The SAP error message CTS_WBO_API122 indicates that there is an issue with assigning a key field to a table structure in the Change and Transport System (CTS). This error typically arises during the transport of objects or when trying to modify a table structure in a way that is not allowed or is inconsistent with the existing definitions.
  Cause:
  
  Key Field Definition: The key field you are trying to assign may not be defined correctly or may not exist in the context of the table structure you are working with.
  Inconsistent Data Model: There may be inconsistencies in the data model, such as trying to assign a key field that is not compatible with the existing structure of the table.
  Transport Layer Issues: There could be issues related to the transport layer or the transport request that is being used to move the changes.
  Authorization Issues: Sometimes, lack of proper authorizations can lead to this error, especially if the user does not have the necessary permissions to modify the table structure.
  
  Solution:
  
  Check Key Field Definition: Verify that the key field you are trying to assign is correctly defined in the data dictionary (SE11). Ensure that it exists and is compatible with the table structure.
  Review Table Structure: Check the structure of the table to ensure that it allows for the addition of the key field. You may need to adjust the table definition or the key field definition accordingly.
  Transport Request: If this error occurs during a transport, check the transport request for any inconsistencies. You may need to re-create the transport request or ensure that all objects are included correctly.
  Authorization Check: Ensure that you have the necessary authorizations to make changes to the table structure. You may need to consult with your SAP security team to verify your permissions.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary), SE09/SE10 (Transport Organizer), and SE03 (Transport Organizer Tools) to investigate and resolve the issue.
  SAP Community: Consider checking the SAP Community forums for discussions related to this error, as other users may have encountered and resolved similar issues.
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.