How To Fix CNV_10020456 - Form routine &1(&2) has already been turned into comment

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 456

• Message text: Form routine &1(&2) has already been turned into comment

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_10020456 - Form routine &1(&2) has already been turned into comment ?

  The SAP error message CNV_10020456 indicates that a specific form routine has been commented out in the code. This typically occurs during the execution of a conversion or migration process, particularly when using SAP's data migration tools or during system upgrades.
  Cause:
  
  Code Maintenance: The form routine in question has been intentionally commented out by a developer or during a system upgrade. This could be due to the routine being obsolete, no longer needed, or replaced by a different implementation.
  Data Migration: If you are running a migration or conversion program, it may reference routines that have been deprecated or are not applicable in the current context.
  Version Compatibility: The error may arise if the code is not compatible with the current version of SAP or if there are inconsistencies in the codebase.
  
  Solution:
  
  Check the Code: Review the code where the error is occurring. Look for the specific form routine mentioned in the error message and check if it has been commented out. If it is necessary for your process, you may need to uncomment it or replace it with an appropriate alternative.
  Update the Migration Program: If you are using a migration program, ensure that you are using the latest version of the program that is compatible with your SAP system. Sometimes, updates to the migration tools can resolve such issues.
  Consult Documentation: Refer to the SAP documentation or release notes for any changes related to the form routine or the migration process you are executing. This can provide insights into why the routine was commented out and what alternatives are available.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide guidance based on the specific context of your system and the error message.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on the form routine in question.
  Debugging: If you have access to the development environment, you can debug the program to trace the execution flow and understand why the routine is being referenced.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.