How To Fix CNV_10020426 - Multiple path &1: Spec. subprogram &2(&3) does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 426

• Message text: Multiple path &1: Spec. subprogram &2(&3) does not exist

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 CNV_10020426 - Multiple path &1: Spec. subprogram &2(&3) does not exist ?

  The SAP error message CNV_10020426 indicates that there is a problem related to a specific subprogram that is expected to exist but cannot be found. This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of specific programs related to data transformation.
  Cause:
  
  Missing Subprogram: The specified subprogram (identified by &2) does not exist in the system. This could be due to an incomplete installation, missing transport requests, or issues during the upgrade or migration process.
  Incorrect Configuration: The system might be incorrectly configured, leading to the system looking for a subprogram that is not available.
  Path Issues: The error message indicates "Multiple path," which suggests that there may be multiple entries or configurations pointing to different versions or locations of the subprogram, causing confusion in the system.
  
  Solution:
  
  Check for Existence: Verify if the specified subprogram exists in the system. You can do this by checking the relevant packages or function modules in the SAP system.
  Transport Requests: Ensure that all necessary transport requests have been imported into the system. If the subprogram is part of a transport, make sure it has been successfully imported.
  Reconfigure: If the configuration is incorrect, review the settings related to the conversion or migration process and correct any discrepancies.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve issues related to missing components.
  Consult Documentation: Refer to SAP Notes or documentation related to the specific conversion or migration process you are executing. There may be specific instructions or known issues documented by SAP.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant logs.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide guidance on the conversion process.
  Transaction Codes: Familiarize yourself with transaction codes related to data migration (e.g., LSMW, LTMC) and how they interact with subprograms.
  Logs and Traces: Check system logs (SM21) and developer traces (ST22) for additional information that might help diagnose the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.