How To Fix 28034 - Boolean expression expected

28034 - Overview

• Message type: E = Error

• Message class: 28 - Configuration

• Message number: 034

• Message text: Boolean expression expected

What causes this issue?

A boolean expression is an expression that is evaluated as true or
false.
The syntax check found an error. A boolean expression is expected at
the cursor.

System Response

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

How to fix this error?

Check your entry and make the necessary correction. See also the other
possible causes of error (messages).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 28034 - Boolean expression expected ?

  The SAP error message "28034 Boolean expression expected" typically occurs in the context of ABAP programming when the system expects a Boolean expression (i.e., an expression that evaluates to true or false) but does not receive one. This can happen in various scenarios, such as in conditional statements, loops, or when using logical operators.
  Causes:
  
  Incorrect Syntax: The most common cause is a syntax error where the code does not properly form a Boolean expression. For example, using an assignment operator (=) instead of a comparison operator (==).
  Missing Conditions: If a conditional statement is incomplete or missing a necessary condition, the system may not be able to evaluate it as a Boolean expression.
  Data Type Issues: If the variables involved in the expression are not of a compatible type (e.g., trying to evaluate a string as a Boolean), this error can occur.
  Logical Errors: Using logical operators incorrectly or inappropriately can lead to this