How To Fix FDT_EXPRESSIONS523 - Type &1 is not supported in a function call

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 523

• Message text: Type &1 is not supported in a function 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_EXPRESSIONS523 - Type &1 is not supported in a function call ?

  The SAP error message FDT_EXPRESSIONS523 indicates that there is an issue with the type of data being used in a function call within the context of SAP's Flexible Data Types (FDT) framework. Specifically, the error message states that the type &1 is not supported in the function call being executed.
  Cause:
  
  
  Unsupported Data Type: The error typically arises when a function is called with a data type that is not compatible with the expected input types for that function. This could happen if:
  
  The data type being passed is custom or not recognized by the function.
  The function is designed to work with specific data types only (e.g., numeric, string, date) and the provided type does not match.
  
  
  
  Incorrect Function Usage: The function may be used incorrectly, either by passing the wrong parameters or by using it in an inappropriate context.
  
  
  Configuration Issues: There may be issues in the configuration of the FDT or the specific function module being used.
  
  
  Solution:
  
  
  Check Data Types: Review the data types being passed to the function. Ensure that they match the expected types as defined in the function's documentation. If necessary, convert the data to the appropriate type before making the function call.
  
  
  Review Function Documentation: Consult the SAP documentation for the specific function you are using. This will provide insights into the expected input parameters and their types.
  
  
  Debugging: If you have access to debugging tools, step through the code to identify where the incorrect type is being passed. This can help pinpoint the exact location of the issue.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates regarding the FDT framework or the specific function you are using. There may be known issues or patches available.
  
  
  Testing with Different Data: If possible, test the function with different data types to see if the error persists. This can help isolate whether the issue is with the specific data being used.
  
  
  Seek Help from SAP Community: If the issue remains unresolved, consider reaching out to the SAP Community or forums for assistance. Provide details about the function being used, the data types involved, and any relevant code snippets.
  
  
  Related Information:
  
  SAP FDT Documentation: Familiarize yourself with the Flexible Data Types framework and its capabilities.
  Function Module Documentation: Each function module in SAP has associated documentation that outlines its parameters and expected data types.
  SAP Support: Utilize SAP's support channels for more complex issues or if you suspect a bug in the system.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.