How To Fix CNV_DMC_MC_EXCEPTION104 - &1 '&2' does not exist

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 104

• Message text: &1 '&2' 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.

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_EXCEPTION104 - &1 '&2' does not exist ?

  The SAP error message CNV_DMC_MC_EXCEPTION104 typically indicates that a specific object or entity referenced in a Data Migration Cockpit (DMC) process does not exist. This error can occur during data migration activities when the system is unable to find a required object, such as a table, field, or configuration setting.
  Cause:
  
  Missing Object: The object specified in the error message (e.g., a table, field, or configuration) does not exist in the target system or the source system.
  Incorrect Configuration: There may be a misconfiguration in the migration settings or mapping that leads to the system looking for an object that is not defined.
  Data Model Issues: The data model being used for the migration may not be correctly set up, leading to references to non-existent entities.
  Transport Issues: If the migration objects were transported from one system to another, there may have been issues during the transport process that resulted in missing objects.
  
  Solution:
  
  Verify Object Existence: Check if the object mentioned in the error message actually exists in the system. You can do this by using transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to search for the object.
  Check Migration Settings: Review the migration settings and mappings in the Data Migration Cockpit to ensure that all required objects are correctly defined and mapped.
  Adjust Data Model: If the data model is incorrect, you may need to adjust it to ensure that all necessary entities are included and correctly referenced.
  Transport Validation: If the issue arose after a transport, validate that all necessary objects were included in the transport request and that they were successfully imported into the target system.
  Consult Documentation: Refer to SAP documentation or notes related to the Data Migration Cockpit for any specific guidance on resolving this error.
  Check for SAP Notes: Look for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Data Migration Cockpit: This is a tool used for migrating data from legacy systems to SAP S/4HANA or other SAP systems. Understanding how it works and its configuration is crucial for troubleshooting.
  Error Logs: Check the logs for more detailed information about the error. This can provide additional context that may help in diagnosing the issue.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.