How To Fix CNV_DMC_MC_EXCEPTION101 - Domain &1 already added

CNV_DMC_MC_EXCEPTION101 - Overview

• Message type: E = Error

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

• Message number: 101

• Message text: Domain &1 already added

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_EXCEPTION101 - Domain &1 already added ?

  The SAP error message CNV_DMC_MC_EXCEPTION101: Domain &1 already added typically occurs during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that there is an attempt to add a domain (a set of values or a range of values for a field) that has already been included in the migration process.
  
  Cause:
  
  Duplicate Domain Definition: The domain you are trying to add has already been defined in the migration project. This can happen if the same domain is referenced multiple times in the migration configuration.
  Configuration Error: There may be a misconfiguration in the migration settings or mapping that leads to the same domain being processed more than once.
  Data Model Issues: The underlying data model may have inconsistencies or redundancies that cause the same domain to be recognized multiple times.
  
  
  Solution:
  
  Check Domain Definitions: Review the migration project configuration to ensure that the domain