How To Fix FDT_EXPRESSIONS029 - No class set for the procedure call

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 029

• Message text: No class set for the procedure call

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_EXPRESSIONS029 - No class set for the procedure call ?

  The SAP error message FDT_EXPRESSIONS029: No class set for the procedure call typically occurs in the context of SAP's Flexible Data Import (FDI) or when working with expressions in the context of SAP's Business Technology Platform (BTP) or other related environments. This error indicates that a procedure call is being made without a corresponding class being defined or set for that procedure.
  Cause:
  
  Missing Class Definition: The procedure you are trying to call does not have an associated class defined in the system.
  Incorrect Configuration: The configuration for the procedure might be incomplete or incorrect, leading to the system not being able to find the required class.
  Version Mismatch: There may be a version mismatch between the components or packages being used, which can lead to missing classes or procedures.
  Transport Issues: If the system has recently undergone a transport, the necessary classes may not have been transported correctly.
  
  Solution:
  
  Check Class Definition: Ensure that the class associated with the procedure is defined in the system. You can do this by navigating to the relevant transaction (e.g., SE24 for class definitions) and verifying that the class exists.
  Review Procedure Configuration: Go through the configuration settings for the procedure to ensure that all necessary parameters, including the class, are correctly set.
  Update or Reconfigure: If the class is missing or incorrectly configured, you may need to create or update the class definition and ensure it is linked to the procedure correctly.
  Check for Transport Issues: If the issue arose after a transport, verify that all necessary objects were included in the transport request and that they were successfully imported into the target system.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of the software you are using, as there may be known issues or patches available.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the call fails and gather more context about the missing class.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  SAP Support: If the issue persists and you have a support contract, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.