How To Fix /CPD/PFP_MESSAGES109 - User exit class does not exist; select from the predefined list

/CPD/PFP_MESSAGES109 - Overview

• Message type: E = Error

• Message class: /CPD/PFP_MESSAGES -

• Message number: 109

• Message text: User exit class does not exist; select from the predefined list

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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/CPD/PFP_MESSAGES109 - Details

• The SAP error message /CPD/PFP_MESSAGES109 indicates that a user exit class specified in your configuration does not exist. This typically occurs in the context of the SAP Customer Data Cloud (CDC) or similar applications where user exits are used to extend or customize functionality.
  
  Cause:
  
  Incorrect Configuration: The user exit class specified in the configuration might be misspelled or incorrectly referenced.
  Missing Class: The user exit class may not have been created or activated in the system.
  Transport Issues: If the class was recently transported from another system, it may not have been properly imported or activated.
  Authorization Issues: The user may not have the necessary authorizations to access the specified user exit class.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the relevant configuration transaction (e.g., SPRO) and verify the user exit class specified in the settings.
  Ensure that the class name is spelled correctly and matches the expected format.
  
  
  
  Verify Class Existence:
  
  Use transaction SE80 or SE24 to check if the user