How To Fix UKMPI028 - No key mapping found for context &1, sender &2, key &3

SAP Error Message - Details

• Message type: E = Error

• Message class: UKMPI - Multi-Backend Key Mapping Service

• Message number: 028

• Message text: No key mapping found for context &1, sender &2, key &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UKMPI028 - No key mapping found for context &1, sender &2, key &3 ?

  The SAP error message UKMPI028 indicates that there is no key mapping found for a specific context, sender, and key in the system. This error typically arises in scenarios involving data mapping, especially in the context of integration processes, such as when using SAP Process Integration (PI) or SAP Process Orchestration (PO).
  Cause:
  
  Missing Key Mapping: The most common cause of this error is that the key mapping for the specified context and sender has not been defined in the system.
  Incorrect Configuration: There may be a misconfiguration in the mapping settings or the integration scenario.
  Data Issues: The data being processed may not match any existing mappings, leading to the error.
  Transport Issues: If the mapping was recently transported from a development environment to production, it may not have been properly activated or may be missing.
  
  Solution:
  
  
  Check Key Mapping Configuration:
  
  Navigate to the relevant mapping configuration in the SAP system.
  Ensure that the key mapping for the specified context, sender, and key is defined correctly.
  
  
  
  Create or Update Key Mapping:
  
  If the mapping does not exist, create a new key mapping entry for the specified parameters.
  If it exists but is incorrect, update it with the correct values.
  
  
  
  Review Integration Scenario:
  
  Check the integration scenario to ensure that it is set up correctly and that all necessary mappings are in place.
  
  
  
  Test with Sample Data:
  
  Use sample data that you know should match the mappings to test if the issue persists.
  
  
  
  Check Transport Logs:
  
  If the mapping was recently transported, check the transport logs to ensure that the transport was successful and that all necessary objects were included.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on key mapping in your version of SAP.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SXMB_MONI (for monitoring messages) or SPRO (for configuration) to troubleshoot and configure mappings.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the UKMPI028 error and implement a solution to resolve it.