How To Fix FDT_EXPRESSIONS841 - Usage of importing parameter &1 is only allowed by using type &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 841

• Message text: Usage of importing parameter &1 is only allowed by using type &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS841 - Usage of importing parameter &1 is only allowed by using type &2 ?

  The SAP error message FDT_EXPRESSIONS841 indicates that there is an issue with the usage of an importing parameter in a function module or method. Specifically, it states that the importing parameter &1 is being used incorrectly and can only be used with a specific type &2. This error typically arises in the context of using the SAP Fiori Development Toolkit or when working with expressions in the context of SAP's Flexible Data Model.
  
  Cause:
  
  Type Mismatch: The importing parameter is being passed a value that does not match the expected data type. For example, if the parameter is defined to accept a certain type (like a structure or a specific data type), but a different type is being passed, this error will occur.
  Incorrect Function Call: The function module or method may be called incorrectly, leading to the wrong type being passed as an argument.
  
  Configuration Issues: There may be issues in the configuration