How To Fix CNV_DMC_MC108 - Target structure type '&1' does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 108

• Message text: Target structure type '&1' 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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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC108 - Target structure type '&1' does not exist ?

  The SAP error message CNV_DMC_MC108 indicates that the target structure type specified in a data migration or conversion process does not exist in the system. This error typically arises during data migration activities, especially when using the SAP Data Migration Cockpit or similar tools.
  Cause:
  
  Missing Target Structure: The target structure type referenced in the migration process is not defined in the system. This could be due to a configuration issue or an incomplete setup.
  Incorrect Mapping: The mapping between the source and target structures may be incorrect, leading to a reference to a non-existent target structure.
  Transport Issues: If the target structure was supposed to be transported from another system (e.g., development to production), it may not have been transported correctly.
  Version Mismatch: The version of the migration tool or the data model may not be compatible with the current system setup.
  
  Solution:
  
  Check Target Structure Definition: Verify that the target structure type exists in the system. You can do this by checking the relevant configuration or data model settings in the SAP system.
  Review Mapping Configuration: Ensure that the mapping between the source and target structures is correctly defined. If necessary, adjust the mapping to point to the correct target structure.
  Transport Check: If the target structure is supposed to be part of a transport request, ensure that the transport has been successfully imported into the target system.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to ensure that all necessary configurations and prerequisites are met.
  System Update: If you are using an older version of the migration tool, consider updating to the latest version to ensure compatibility with your SAP system.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to check the existence of the target structure.
  Migration Cockpit: Familiarize yourself with the SAP Data Migration Cockpit and its configuration settings, as this is often where such errors arise.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.