How To Fix CNV_DMC_MC_EXCEPTION128 - Function not available for standard rules

CNV_DMC_MC_EXCEPTION128 - Overview

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 128

• Message text: Function not available for standard rules

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_DMC_MC_EXCEPTION128 - Function not available for standard rules ?

  The SAP error message "CNV_DMC_MC_EXCEPTION128 Function not available for standard rules" typically occurs in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or related tools. This error indicates that a specific function or operation is not available for the standard rules defined in the migration project.
  
  Cause:
  
  
  Unsupported Functionality: The error may arise when trying to use a function that is not supported for the standard migration rules. This can happen if the migration scenario requires custom logic or if the standard rules do not cover the specific data transformation or mapping needed.
  
  
  
  Configuration Issues: There may be misconfigurations in the migration project settings or the rules defined for the data migration.
  
  
  Version Compatibility: The error could also be related to compatibility issues between the version of the SAP system you are using and the migration tools or rules.
  
  
  
  Solution:
  
  
  Review Migration Rules: Check the migration rules