How To Fix USMD1B026 - Entity type &1: Mapping entry with technical key &2 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1B - Meldungen: MDF Anschluss

• Message number: 026

• Message text: Entity type &1: Mapping entry with technical key &2 not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1B026 - Entity type &1: Mapping entry with technical key &2 not found ?

  The SAP error message USMD1B026 typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the mapping of entities. This error indicates that the system is unable to find a mapping entry for a specific entity type and technical key.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Mapping Entry: The mapping entry for the specified entity type and technical key does not exist in the relevant mapping table.
  Incorrect Configuration: There may be a misconfiguration in the MDG settings or in the data model that leads to the system not being able to locate the mapping.
  Data Inconsistency: The data being processed may not be consistent with the expected format or structure, leading to the inability to find the mapping.
  Transport Issues: If the mapping was recently transported from another system, it may not have been transported correctly or completely.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Mapping Entries:
  
  Go to the relevant mapping table in the SAP system (e.g., MDG_Mapping or similar) and verify if the mapping entry for the specified entity type and technical key exists.
  If it does not exist, you may need to create the mapping entry manually.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the MDG application to ensure that the entity types and their mappings are correctly defined.
  Ensure that the data model is correctly set up and that all necessary mappings are in place.
  
  
  
  Data Validation:
  
  Validate the data being processed to ensure it adheres to the expected structure and format.
  Check for any inconsistencies or errors in the data that might be causing the mapping to fail.
  
  
  
  Transport Check:
  
  If the issue arose after a transport, verify that all necessary objects related to the mapping were included in the transport request.
  If needed, re-transport the relevant objects or manually create the missing entries.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific error message for additional guidance and troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MDGIMG for configuration or SE11 to check the database tables.
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.