How To Fix CNV_DMC_VM021 - No entry found for structure guid &1 and field guid &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_VM - S/4 Migration: Texts for View Management

• Message number: 021

• Message text: No entry found for structure guid &1 and field guid &2

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_VM021 - No entry found for structure guid &1 and field guid &2 ?

  The SAP error message CNV_DMC_VM021 indicates that there is no entry found for a specific structure GUID and field GUID in the context of a data migration or conversion process, typically related to the SAP Data Migration Cockpit (DMC) or similar tools.
  Cause:
  
  Missing Configuration: The error often arises when the configuration for the data migration is incomplete or missing. This could be due to a missing entry in the mapping tables or configuration settings that define how data should be migrated.
  Incorrect GUIDs: The GUIDs provided in the error message may not correspond to any existing entries in the system. This could happen if the data model has changed or if there was an error in the data extraction process.
  Data Model Changes: If there have been changes to the data model (e.g., new fields added, fields removed, or renamed), the existing mappings may no longer be valid.
  Transport Issues: If the migration configuration was transported from one system to another, there may be inconsistencies or missing objects in the target system.
  
  Solution:
  
  Check Configuration: Verify that the configuration for the data migration is complete. Ensure that all necessary mappings and structures are defined in the system.
  Validate GUIDs: Check the GUIDs mentioned in the error message against the relevant tables or structures in the system to ensure they exist and are correctly defined.
  Review Data Model: If there have been recent changes to the data model, review the migration mappings to ensure they align with the current structure of the data.
  Recreate Missing Entries: If certain entries are missing, you may need to recreate them in the configuration or mapping tables.
  Consult Documentation: Refer to the SAP documentation for the Data Migration Cockpit or the specific migration tool you are using to ensure that you are following the correct procedures.
  Check Transport Logs: If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate missing objects.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on data migration issues.
  Transaction Codes: Familiarize yourself with transaction codes related to data migration, such as LTMC (for the Migration Cockpit) or LTMOM (for the Migration Object Modeler).
  Community Forums: Consider searching or posting in SAP community forums or SAP support channels for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.