How To Fix CNV_PE_GEN042 - Structure information for extension parameter &1 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 042

• Message text: Structure information for extension parameter &1 not found

Self-Explanatory Message

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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 CNV_PE_GEN042 - Structure information for extension parameter &1 not found ?

  The SAP error message CNV_PE_GEN042, which states "Structure information for extension parameter &1 not found," typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  
  
  Missing Structure Definition: The error indicates that the system is unable to find the structure definition for the specified extension parameter. This could be due to:
  
  The structure not being defined in the system.
  The structure being incorrectly configured or not activated.
  The extension parameter being incorrectly referenced in the migration or conversion process.
  
  
  
  Incorrect Configuration: If the migration project or the data model has been incorrectly set up, it may lead to this error.
  
  
  Transport Issues: If the relevant transport requests containing the structure definitions have not been imported into the system, this could also lead to the error.
  
  
  Solution:
  
  
  Check Structure Definition:
  
  Verify that the structure for the extension parameter exists in the system. You can do this by checking the Data Dictionary (transaction SE11) for the specified structure name.
  If the structure does not exist, you may need to create it or ensure that it is included in the relevant transport request.
  
  
  
  Activate the Structure:
  
  If the structure exists but is not activated, activate it in the Data Dictionary.
  
  
  
  Review Migration Configuration:
  
  Check the configuration of the migration project to ensure that all parameters and structures are correctly defined and referenced.
  Ensure that the extension parameters are correctly mapped in the migration cockpit.
  
  
  
  Transport Requests:
  
  Ensure that all necessary transport requests have been imported into the system. If you are working in a development environment, make sure that the changes have been transported to the quality or production environment.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the specific migration or conversion process you are using. There may be specific notes or guidelines regarding the structures and parameters involved.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), and S/4HANA Migration Cockpit.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the root cause of the CNV_PE_GEN042 error and implement a solution to resolve it.