How To Fix FMCA_ISR_EN173 - Application class is unknown for correspondence

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA_ISR_EN -

• Message number: 173

• Message text: Application class is unknown for correspondence

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA_ISR_EN173 - Application class is unknown for correspondence ?

  The SAP error message FMCA_ISR_EN173, which states "Application class is unknown for correspondence," typically occurs in the context of the SAP Correspondence Management (CM) module. This error indicates that the system cannot find a valid application class for the correspondence type you are trying to process.
  
  Cause:
  
  Missing Configuration: The application class for the correspondence type may not be configured in the system.
  Incorrect Customization: There may be incorrect or incomplete customization settings in the Correspondence Management module.
  Data Issues: The correspondence type being used may not be correctly defined or may have been deleted or modified incorrectly.
  Authorization Issues: The user may not have the necessary authorizations to access the application class.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the Correspondence Management configuration settings in SAP.
  Verify that the application class for the specific correspondence type is defined correctly.
  Ensure that the correspondence type is linked to the correct application class.
  
  
  
  Maintain Application Class:
  
  If the application class is missing, you may need