How To Fix USMD2286 - No key mapping exists for entity &2 of entity type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD2 - Master Data: UI Modeling

• Message number: 286

• Message text: No key mapping exists for entity &2 of entity type &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD2286 - No key mapping exists for entity &2 of entity type &1 ?

  The SAP error message USMD2286 indicates that there is no key mapping available for a specific entity in the context of SAP Master Data Governance (MDG). This typically occurs when you are trying to perform an operation (like data replication, data transfer, or data validation) on a master data entity, but the system cannot find the necessary key mapping for that entity type.
  Cause:
  
  Missing Key Mapping: The most common cause is that the key mapping for the specified entity type (e.g., Business Partner, Material, Customer) has not been defined in the system.
  Configuration Issues: There may be issues in the configuration of the MDG system, particularly in the area of data modeling or data replication settings.
  Data Model Changes: If there have been recent changes to the data model or entity types, the key mappings may not have been updated accordingly.
  Transport Issues: If the system is in a transport landscape, the key mapping might not have been transported correctly to the target system.
  
  Solution:
  
  
  Define Key Mapping: 
  
  Go to the MDG configuration settings and ensure that the key mapping for the specified entity type is defined. This can usually be done in the MDG customizing settings under the relevant data model.
  You may need to create or adjust the key mapping entries to ensure that the system can recognize the entity.
  
  
  
  Check Configuration:
  
  Review the configuration settings for the data model and ensure that all necessary mappings are in place.
  Ensure that the entity type is correctly configured in the MDG system.
  
  
  
  Review Data Model Changes:
  
  If there have been recent changes to the data model, verify that all changes have been properly implemented and that the key mappings reflect these changes.
  
  
  
  Transport Check:
  
  If you are working in a transport landscape, check if the key mapping configuration has been transported correctly to the target system. If not, transport the necessary changes.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or notes related to the specific entity type and key mapping to ensure that you are following the correct procedures.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  MDG Documentation: Review the official SAP Master Data Governance documentation for best practices on configuring key mappings and data models.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the USMD2286 error and ensure that the necessary key mappings are in place for the specified entity type.