How To Fix 1X218 - Selection error. The two structure versions are identical

SAP Error Message - Details

• Message type: E = Error

• Message class: 1X - General hierarchy maintenance tool message

• Message number: 218

• Message text: Selection error. The two structure versions are identical

Self-Explanatory Message

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• What is the cause and solution for SAP error message 1X218 - Selection error. The two structure versions are identical ?

  The SAP error message 1X218 ("Selection error. The two structure versions are identical") typically occurs in the context of SAP's data structure management, particularly when dealing with data structures in the context of data transfer or data mapping.
  Cause:
  This error usually arises when there is an attempt to compare or select between two structure versions that are supposed to be different, but the system identifies them as identical. This can happen due to:
  
  Incorrect Configuration: The structure versions may have been incorrectly configured or defined, leading the system to believe they are the same.
  Data Transfer Issues: During data transfer processes, if the source and target structures are not properly defined or if there is a mismatch in the expected structure versions, this error can occur.
  Version Management: If the version management is not properly maintained, it can lead to situations where the system cannot differentiate between two versions.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Structure Definitions: Verify the definitions of the two structure versions in the relevant transaction (e.g., SE11 for Data Dictionary). Ensure that they are indeed different and that any changes have been saved and activated.
  
  
  Review Configuration: Go through the configuration settings related to the structures in question. Ensure that the settings are correct and that there are no discrepancies.
  
  
  Data Transfer Settings: If this error occurs during a data transfer process, check the settings for the data transfer. Ensure that the source and target structures are correctly defined and that they are not pointing to the same version inadvertently.
  
  
  Version Management: If you are using version management, ensure that the versions are correctly maintained and that the system recognizes them as distinct.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP support for further assistance. They may provide insights based on the specific context of your implementation.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and others that may help in analyzing the structures.
  SAP Notes: Search for SAP Notes related to error 1X218 in the SAP Support Portal, as there may be specific fixes or recommendations provided by SAP.
  Testing: After making changes, conduct thorough testing to ensure that the error does not recur and that the structures function as intended.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.