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

CNV_10020456 - Overview

• 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.

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.

CNV_10020456 - Details

• 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