How To Fix FDT_EXPRESSIONS509 - Invalid operator '&1' used with boolean type

FDT_EXPRESSIONS509 - Overview

• Message type: E = Error

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

• Message number: 509

• Message text: Invalid operator '&1' used with boolean type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS509 - Invalid operator '&1' used with boolean type ?

  The SAP error message FDT_EXPRESSIONS509 indicates that there is an invalid operator being used with a boolean type in an expression. This typically occurs in the context of SAP's Field Data Tool (FDT) or similar environments where expressions are evaluated.
  
  Cause:
  The error is caused by using an operator that is not compatible with boolean values. For example, boolean types can typically be combined using logical operators like AND, OR, and NOT. If you attempt to use arithmetic operators (like +, -, *, /) or other non-logical operators with boolean values, you will encounter this error.
  
  Solution:
  To resolve this error, you should:
  
  
  Review the Expression: Check the expression where the error occurs. Look for any operators that are being used with boolean values and ensure they are appropriate.
  
  
  Use Correct Operators: Replace any invalid operators with valid logical operators. For example:
  
  Use AND instead of +
  Use OR instead of |
  Use NOT instead of !
  
  
  
  Check Data Types: