How To Fix FDT_EXPRESSIONS033 - Invalid boolean string; unknown token &1

FDT_EXPRESSIONS033 - Overview

• Message type: E = Error

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

• Message number: 033

• Message text: Invalid boolean string; unknown token &1

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_EXPRESSIONS033 - Invalid boolean string; unknown token &1 ?

  The SAP error message FDT_EXPRESSIONS033: Invalid boolean string; unknown token &1 typically occurs in the context of using the SAP Fiori Design Studio or SAP UI5 applications when there is an issue with a boolean expression in a filter or condition. This error indicates that the system encountered an unexpected token in a boolean expression, which it could not recognize or process.
  
  Cause:
  
  Syntax Error: The boolean expression may contain a syntax error, such as a missing operator (AND, OR), incorrect parentheses, or invalid characters.
  Unknown Token: The token mentioned in the error message (&1) is not recognized by the system. This could be due to a typo or using a variable that has not been defined.
  Data Type Mismatch: The expression may be trying to evaluate a boolean condition on a field that does not support boolean values.
  
  Configuration Issues: There may be issues in the configuration of the application or the data model