How To Fix FDT_EXPRESSIONS842 - Importing parameter &1 has to be optional


FDT_EXPRESSIONS842 - Overview

  • Message type: E = Error

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

  • Message number: 842

  • Message text: Importing parameter &1 has to be optional

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Smart SAP Assistant

  • What is the cause and solution for SAP error message FDT_EXPRESSIONS842 - Importing parameter &1 has to be optional ?
    The SAP error message FDT_EXPRESSIONS842 indicates that there is an issue with the definition of an importing parameter in a function module or method. Specifically, the error states that the importing parameter &1 must be optional. This typically occurs in the context of using expressions or function modules in SAP's Flexible Data Import (FDI) or similar scenarios.
    
    Cause: The error arises when: An importing parameter is defined as mandatory, but the context in which it is being used requires it to be optional. The function module or method is being called in a way that does not provide a value for the mandatory parameter, leading to this error.
    Solution: To resolve this error, you can take the following steps: Check Parameter Definition: Go to the function module or method definition where the error is occurring. Verify the definition of the importing parameter &1. If it is defined as mandatory (i.e., it does not have a default value), consider changing

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