How To Fix FDT_EXPRESSIONS035 - Invalid boolean string; token(s) missing at the end

FDT_EXPRESSIONS035 - Overview

• Message type: E = Error

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

• Message number: 035

• Message text: Invalid boolean string; token(s) missing at the end

What causes this issue?

For the current boolean expression, the system has determined that the
condition string ends with an opening bracket "(" or with an operator
that is not followed by an operand. However, the condition string of a
boolean expression must always end with an operand. If the last operand
is in brackets, the last character of the condition string must be a
closing bracket ")".

System Response

The object cannot be activated.

How to fix this error?

Check the condition string of the expression and decide how to correct
the problem. The following scenarios are possible:
The condition string ends with an opening bracket:
The condition string was already completed, and the opening bracket was
added accidentally: Remove the bracket.
The operand before the opening bracket is already introduced by an
opening bracket: Replace the opening bracket at the end of the condition
string by a closing bracket.
The opening bracket was meant as the beginning of one or more operands
that have been omitted inadvertently: Complete the missing operands and
operators after the opening bracket, and finalize the condition string
with a closing bracket.
The condition string ends with an operator:
Remove the operator, or add an operand after the operator.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS035 - Invalid boolean string; token(s) missing at the end ?

  The SAP error message FDT_EXPRESSIONS035 indicates that there is an issue with a boolean expression in your SAP application, specifically that the expression is incomplete or incorrectly formatted. This error typically arises in the context of using the SAP Fiori Design Studio or SAP Business Application Studio, where boolean expressions are used for conditions in expressions or filters.
  
  Cause:
  The error is caused by an invalid boolean string, which means that the expression you are trying to evaluate is not properly formed. Common reasons for this error include:
  
  Missing operators (e.g., AND, OR).
  Incomplete expressions (e.g., a missing closing parenthesis).
  Incorrect syntax (e.g., using invalid characters or formats).
  A logical expression that does not have a complete set of tokens.
  
  
  Solution:
  To resolve the FDT_EXPRESSIONS035 error, you can follow these steps:
  
  
  Review the Expression: Check the boolean expression for any syntax errors. Ensure that all operators and operands are correctly placed and that there are no missing components.
  
  
  Check Parentheses: