How To Fix FDT_DSM121 - No exit class specified; please enter exit name

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_DSM - BRFplus: Decision Service Manager

• Message number: 121

• Message text: No exit class specified; please enter exit name

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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_DSM121 - No exit class specified; please enter exit name ?

  The SAP error message FDT_DSM121 ("No exit class specified; please enter exit name") typically occurs in the context of the SAP Fiori Design Studio or when working with the FDT (Form Data Transfer) framework. This error indicates that a required exit class has not been specified in the configuration of a data transfer or form processing task.
  Cause:
  
  Missing Exit Class: The most common cause of this error is that the configuration for a specific data transfer or form processing task does not include a defined exit class. Exit classes are used to implement custom logic during the data transfer process.
  Incorrect Configuration: There may be an issue with how the exit class is configured, such as a typo in the class name or an incorrect namespace.
  Authorization Issues: In some cases, the user may not have the necessary authorizations to access or specify the exit class.
  
  Solution:
  
  
  Specify the Exit Class:
  
  Go to the configuration settings for the relevant data transfer or form processing task.
  Locate the field for the exit class and enter the correct class name. Ensure that the class exists in the system and is properly implemented.
  
  
  
  Check Class Implementation:
  
  Verify that the exit class is implemented correctly and is active. You can do this by checking the class in the ABAP Workbench (transaction SE80 or SE24).
  Ensure that the class implements the necessary methods required for the data transfer process.
  
  
  
  Review Configuration:
  
  Double-check the configuration settings for any typos or incorrect entries. Ensure that the namespace and class name are correctly specified.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access and specify the exit class. You may need to consult with your SAP security team to verify this.
  
  
  
  Consult Documentation:
  
  If you are unsure about the exit class or its implementation, refer to the SAP documentation or consult with a colleague who has experience with the FDT framework.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuring exit classes.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups for insights from other users who may have encountered the same issue.
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on the FDT framework and exit classes.
  
  By following these steps, you should be able to resolve the FDT_DSM121 error and successfully configure the exit class for your data transfer or form processing task.