How To Fix FDT_SERVICE412 - Expression type used in an object does not exist: &1, &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_SERVICE - Formula & Derivation Tool: Services

• Message number: 412

• Message text: Expression type used in an object does not exist: &1, &2

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_SERVICE412 - Expression type used in an object does not exist: &1, &2 ?

  The SAP error message FDT_SERVICE412 indicates that there is an issue with an expression type used in a data object within the SAP system. Specifically, the message states that the expression type referenced does not exist, which can occur in various contexts, such as when working with forms, data services, or other configurations that involve expressions.
  Cause:
  
  Missing Expression Type: The expression type that is being referenced in the object does not exist in the system. This could be due to a typo, a missing configuration, or an object that has not been properly defined.
  Transport Issues: If the object was transported from one system to another (e.g., from development to production), the expression type may not have been included in the transport request.
  Version Mismatch: There may be a version mismatch between the components or packages that are being used, leading to the expression type not being recognized.
  Configuration Errors: Incorrect configuration settings or missing dependencies can also lead to this error.
  
  Solution:
  
  Check Expression Type: Verify that the expression type referenced in the error message actually exists in the system. You can do this by navigating to the relevant configuration or development area where the expression types are defined.
  Correct Typographical Errors: Ensure that there are no typographical errors in the expression type name. Check for case sensitivity and spelling.
  Transport Request: If the issue arose after a transport, check the transport request to ensure that all necessary objects, including the expression types, were included and successfully imported.
  Recreate the Expression Type: If the expression type is missing, you may need to recreate it in the system.
  Check Dependencies: Ensure that all dependencies and related objects are correctly configured and available in the system.
  Consult Documentation: Review SAP documentation or notes related to the specific module or functionality you are working with to see if there are any known issues or additional steps required.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message FDT_SERVICE412.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to investigate the objects and expression types in question.
  Debugging: If necessary, you can debug the process to see where the error is being triggered and gather more context about the issue.
  SAP Community: Consider reaching out to the SAP Community or forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.