How To Fix CNV_10020662 - &1 &2: Specific subprogram &3(&4) does not exist

CNV_10020662 - Overview

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 662

• Message text: &1 &2: Specific subprogram &3(&4) does not exist

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.

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CNV_10020662 - Details

• The SAP error message CNV_10020662 typically indicates that a specific subprogram or function module that the system is trying to call does not exist in the current context. This error is often encountered during data migration or conversion processes, particularly when using SAP's Data Migration tools or during system upgrades.
  
  Cause:
  
  Missing Function Module: The specified function module or subprogram is not available in the system. This could be due to a missing transport, an incomplete installation, or a version mismatch.
  Incorrect Configuration: The configuration settings may point to a non-existent or incorrectly named subprogram.
  Custom Development: If the subprogram is part of a custom development, it may not have been transported correctly to the target system.
  Version Compatibility: The error may arise if the system is not compatible with the version of the software or the data migration tool being used.
  
  
  Solution:
  
  Check for Existence: Verify if the specified function module or subprogram exists in the