How To Fix FDT_EXPRESSIONS562 - Invalid loop condition &1; boolean type required

FDT_EXPRESSIONS562 - Overview

• Message type: E = Error

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

• Message number: 562

• Message text: Invalid loop condition &1; boolean type required

What causes this issue?

The repeat condition must be an expression with Boolean result or a
Boolean data object.

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_EXPRESSIONS562 - Invalid loop condition &1; boolean type required ?

  The SAP error message FDT_EXPRESSIONS562 indicates that there is an issue with a loop condition in your expression, specifically that a boolean type is required but the provided condition does not meet this requirement. This error typically arises in the context of using the SAP Fiori Design Time (FDT) or in the context of ABAP programming where expressions are evaluated.
  
  Cause:
  The error occurs when:
  
  A loop condition is defined that does not evaluate to a boolean value (true or false).
  The expression used in the loop condition is either of an incorrect data type or is improperly formulated.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Loop Condition: Review the loop condition in your code or expression. Ensure that it is a valid boolean expression. For example, if you are using a variable, ensure that it is being evaluated correctly to return a boolean value.
  
  
  Correct Data Types: Ensure that the variables