How To Fix FDT_DSM123 - Exit class &1 not called in Decision Manager system due to non-existence

FDT_DSM123 - Overview

• Message type: E = Error

• Message class: FDT_DSM - BRFplus: Decision Service Manager

• Message number: 123

• Message text: Exit class &1 not called in Decision Manager system due to non-existence

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_DSM123 - Exit class &1 not called in Decision Manager system due to non-existence ?

  The SAP error message FDT_DSM123 indicates that a specific exit class is not being called in the Decision Manager system because it does not exist. This error typically arises in the context of SAP's Decision Service Management (DSM) when there is an attempt to execute a decision service that references an exit class that has not been defined or is not available in the system.
  
  Cause:
  
  Missing Exit Class: The exit class specified in the decision service configuration does not exist in the system.
  Incorrect Configuration: The decision service may be incorrectly configured, pointing to a non-existent or incorrectly named exit class.
  Transport Issues: If the exit class was recently transported from another system, it may not have been transported correctly or may not exist in the target system.
  Authorization Issues: The user executing the decision service may not have the necessary authorizations to access the exit class.
  
  
  Solution:
  
  
  Verify Exit Class: Check the configuration of the