How To Fix FDT_EXPRESSIONS380 - &1 is not a valid boolean value; only "X" and " " are allowed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 380

• Message text: &1 is not a valid boolean value; only "X" and " " are allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS380 - &1 is not a valid boolean value; only "X" and " " are allowed ?

  The SAP error message FDT_EXPRESSIONS380 indicates that there is an issue with a boolean value in your expression or configuration. Specifically, it states that the value provided is not valid, and only "X" (for true) and " " (for false) are acceptable boolean values.
  
  Cause:
  This error typically occurs in the context of using expressions in SAP applications, particularly when working with Field-Based Data Transformation (FDT) or similar functionalities. The root causes can include:
  
  Incorrect Value Assignment: A field or variable is being assigned a value that is not "X" or " ".
  Data Type Mismatch: The system expects a boolean value but receives a different data type (e.g., a string like "Yes" or "No").
  Configuration Errors: There may be a misconfiguration in the data transformation logic or rules where boolean values are expected.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Expression: Review the expression or configuration where the error is occurring.