How To Fix EIT_GW_COMMON003 - MPC class &1 not found.

SAP Error Message - Details

• Message type: E = Error

• Message class: EIT_GW_COMMON - Extensibility Template: Common Messages

• Message number: 003

• Message text: MPC class &1 not found.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EIT_GW_COMMON003 - MPC class &1 not found. ?

  The SAP error message EIT_GW_COMMON003 indicates that the specified MPC (Model Provider Class) class could not be found. This error typically occurs in the context of SAP Gateway services, where the system is unable to locate the necessary class to process the request.
  Cause:
  
  Missing MPC Class: The MPC class specified in the error message does not exist in the system. This could be due to a transport issue, where the class was not transported correctly.
  Incorrect Configuration: The service might be incorrectly configured, pointing to a non-existent or incorrectly named MPC class.
  Activation Issues: The service or the associated classes might not be activated in the SAP Gateway.
  Namespace Issues: The class might exist in a different namespace or package that is not accessible in the current context.
  
  Solution:
  
  
  Check Class Existence:
  
  Use transaction code SE80 (Object Navigator) or SE24 (Class Builder) to check if the MPC class exists in the system.
  If it does not exist, you may need to create it or transport it from another system.
  
  
  
  Check Service Configuration:
  
  Go to transaction /IWFND/MAINT_SERVICE and check the service configuration.
  Ensure that the service is correctly configured and that the MPC class is correctly referenced.
  
  
  
  Activate the Service:
  
  If the service is not activated, activate it using the same transaction /IWFND/MAINT_SERVICE.
  You can also check the activation status of the associated classes.
  
  
  
  Transport Issues:
  
  If the class is missing due to transport issues, ensure that all necessary transports have been imported correctly into the system.
  
  
  
  Check for Namespace Issues:
  
  Verify that the class is in the correct namespace and that there are no naming conflicts.
  
  
  
  Debugging:
  
  If the issue persists, you may need to debug the service to identify where the failure occurs. Use transaction SE80 to set breakpoints in the relevant classes.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Gateway documentation for more information on how to configure and manage services.
  Community Forums: Consider checking SAP Community forums or other online resources for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.