How To Fix CNV_10020665 - &1 &2: Specific function module was not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 665

• Message text: &1 &2: Specific function module was not maintained

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020665 - &1 &2: Specific function module was not maintained ?

  The SAP error message CNV_10020665 typically indicates that a specific function module required for a certain operation or process has not been maintained or is missing. This error is often encountered during data migration or conversion processes, particularly when using SAP's data migration tools.
  Cause:
  
  Missing Function Module: The function module that is supposed to handle a specific task is not available in the system.
  Incorrect Configuration: The function module may exist but is not properly configured or activated.
  Version Mismatch: The function module may not be compatible with the version of SAP you are using.
  Transport Issues: The function module may not have been transported correctly from the development environment to the production environment.
  
  Solution:
  
  Check Function Module: Verify if the function module mentioned in the error message exists in the system. You can do this by using transaction code SE37 (Function Builder) and searching for the function module.
  Maintain Function Module: If the function module is missing, you may need to create or maintain it. This could involve coding or configuration changes.
  Activate Function Module: If the function module exists but is not active, you may need to activate it.
  Check Transport Requests: Ensure that all necessary transport requests have been correctly imported into the system.
  Consult Documentation: Review SAP documentation or notes related to the specific migration or conversion process you are performing. There may be specific instructions or prerequisites that need to be followed.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide additional insights or patches that can resolve the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on maintaining function modules.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Builder), SE80 (Object Navigator), and ST22 (Dump Analysis) for troubleshooting.
  Data Migration Tools: If you are using specific SAP data migration tools (like SAP S/4HANA Migration Cockpit), ensure that you are following the recommended procedures and prerequisites.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.