How To Fix CNV_10020012 - Subprogram &1 does not exist; check your input

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 012

• Message text: Subprogram &1 does not exist; check your input

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020012 - Subprogram &1 does not exist; check your input ?

  The SAP error message CNV_10020012 indicates that a specific subprogram (function module or method) referenced in your process does not exist or cannot be found. This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools.
  Cause:
  
  
  Missing Subprogram: The subprogram (function module or method) specified in the error message is not available in the system. This could be due to:
  
  The subprogram has not been created or activated.
  The subprogram is part of a package that has not been imported or activated.
  The subprogram is incorrectly named or referenced.
  
  
  
  Incorrect Input: The input parameters or the context in which the subprogram is being called may be incorrect, leading to the system being unable to locate the subprogram.
  
  
  Transport Issues: If the subprogram was recently transported from another system, there may have been issues during the transport process that prevented it from being properly imported.
  
  
  Solution:
  
  
  Check Subprogram Existence:
  
  Use transaction SE37 (Function Builder) or SE80 (Object Navigator) to search for the subprogram by name. Ensure that it exists and is active.
  
  
  
  Verify Naming and Parameters:
  
  Double-check the spelling of the subprogram name in your code or configuration.
  Ensure that the parameters being passed to the subprogram are correct and match its definition.
  
  
  
  Transport Check:
  
  If the subprogram was recently transported, check the transport logs for any errors. Ensure that the transport request was successfully imported into the target system.
  
  
  
  Authorization:
  
  Ensure that you have the necessary authorizations to access the subprogram. Lack of authorization can sometimes lead to similar error messages.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can set breakpoints to see where the error occurs and gather more context about the input being passed.
  
  
  
  Consult Documentation:
  
  If the subprogram is part of a standard SAP package or a third-party solution, consult the relevant documentation or support resources for additional guidance.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and their solutions.
  Version Compatibility: Ensure that the version of SAP you are using is compatible with the subprograms and tools you are trying to utilize.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.