How To Fix CNV_10020794 - Message number &1 does not exist in message class &2; check your input

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 794

• Message text: Message number &1 does not exist in message class &2; 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_10020794 - Message number &1 does not exist in message class &2; check your input ?

  The SAP error message CNV_10020794 indicates that a specific message number does not exist in the specified message class. This error typically arises during data migration or conversion processes, particularly when using SAP's tools for data transfer or transformation.
  Cause:
  
  Missing Message Definition: The message number you are trying to access is not defined in the specified message class. This could be due to a missing or incomplete configuration in the system.
  Incorrect Message Class or Number: There may be a typo or incorrect reference in the code or configuration that is trying to access the message.
  Transport Issues: If the message class was recently transported from another system, it may not have been transported correctly, leading to missing entries.
  
  Solution:
  
  Check Message Class: Verify that the message class specified in the error message is correct. You can do this by using transaction code SE91 to view the message class and its entries.
  Define Missing Messages: If the message number is indeed missing, you can define it in the message class using transaction SE91. Ensure that you provide the correct text and any necessary parameters.
  Review Code/Configuration: If you are working with custom code or configurations, review them to ensure that the correct message class and number are being referenced.
  Transport Check: If the message class was recently transported, check the transport logs to ensure that it was transported successfully and that all necessary objects are included.
  Consult Documentation: If this error is occurring during a specific migration or conversion process, consult the relevant SAP documentation or notes for any additional steps or prerequisites that may be required.
  
  Related Information:
  
  Transaction Codes: 
  
  SE91: To manage message classes.
  SE80: To check the related programs or objects.
  
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional context.
  Community Forums: Consider checking SAP Community or other forums for similar issues and solutions shared by other users.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.