How To Fix MDG_VALUE_MAPPING028 - Could not get classes that implement IF_ESF_CODE_LIST_PROVIDER

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_VALUE_MAPPING -

• Message number: 028

• Message text: Could not get classes that implement IF_ESF_CODE_LIST_PROVIDER

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_VALUE_MAPPING028 - Could not get classes that implement IF_ESF_CODE_LIST_PROVIDER ?

  The SAP error message MDG_VALUE_MAPPING028 indicates that the system is unable to retrieve classes that implement the interface IF_ESF_CODE_LIST_PROVIDER. This error typically occurs in the context of Master Data Governance (MDG) when the system is trying to access or utilize a code list provider for value mapping.
  Causes:
  
  Missing Implementation: The required class that implements the IF_ESF_CODE_LIST_PROVIDER interface may not be implemented or activated in the system.
  Configuration Issues: There may be configuration issues in the MDG settings that prevent the system from accessing the necessary code list provider.
  Transport Issues: If the implementation was recently transported from another system, there may have been issues during the transport process that led to incomplete or missing objects.
  Authorization Issues: The user may not have the necessary authorizations to access the code list provider.
  
  Solutions:
  
  
  Check Implementation:
  
  Verify that the class implementing IF_ESF_CODE_LIST_PROVIDER is correctly implemented and activated in the system. You can do this by checking the relevant ABAP class in transaction SE80 or SE24.
  
  
  
  Review Configuration:
  
  Go through the MDG configuration settings to ensure that the code list provider is correctly configured. This includes checking the relevant customizing settings in transaction MDGIMG.
  
  
  
  Transport Check:
  
  If the issue arose after a transport, check the transport logs for any errors. Ensure that all necessary objects were transported correctly and are available in the target system.
  
  
  
  Authorization Check:
  
  Ensure that the user encountering the error has the necessary authorizations to access the code list provider. This may involve checking roles and authorizations in transaction PFCG.
  
  
  
  Debugging:
  
  If the above steps do not resolve the issue, consider debugging the process to identify where the failure occurs. This may provide more insight into why the system cannot retrieve the classes.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to this error message.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE24 (Class Builder), and MDGIMG (MDG Implementation Guide).
  Documentation: Review SAP documentation related to MDG and value mapping to understand the expected configurations and implementations.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.