How To Fix SEPM_EXCEPTIONS099 - Conversion method missing for alternative key '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SEPM_EXCEPTIONS - EPM: Exception Messages

• Message number: 099

• Message text: Conversion method missing for alternative key '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SEPM_EXCEPTIONS099 - Conversion method missing for alternative key '&1' ?

  The SAP error message SEPM_EXCEPTIONS099 with the description "Conversion method missing for alternative key '&1'" typically occurs in the context of SAP's Enterprise Services or when working with the SAP Gateway. This error indicates that the system is unable to find a conversion method for a specified alternative key, which is necessary for processing requests or data.
  Cause:
  
  Missing Conversion Method: The primary cause of this error is that the system is unable to locate a conversion method for the specified alternative key. This can happen if the method has not been implemented or is not correctly defined in the relevant data model.
  Configuration Issues: There may be configuration issues in the service definition or the data model that prevent the system from recognizing the alternative key.
  Data Model Changes: If there have been recent changes to the data model or service definitions, it may lead to inconsistencies that result in this error.
  
  Solution:
  
  Check the Data Model: Verify that the alternative key specified in the error message is correctly defined in the data model. Ensure that there is a corresponding conversion method for that key.
  Implement Missing Methods: If the conversion method is indeed missing, you may need to implement it. This typically involves creating a method in the relevant ABAP class that handles the conversion logic for the alternative key.
  Review Service Definitions: Check the service definitions in the SAP Gateway or the relevant configuration settings to ensure that everything is set up correctly.
  Regenerate the Service: If changes have been made to the data model or service, consider regenerating the service to ensure that all components are updated.
  Consult Documentation: Refer to SAP documentation or notes related to the specific service or data model you are working with for additional guidance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to inspect the data model and associated methods.
  Debugging: If you have access to the system, you can use debugging tools to trace the execution and identify where the conversion method is expected but not found.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support or consult with a technical expert familiar with the specific implementation you are working on.