How To Fix WD413 - Define an expression for the comparison basis

WD413 - Overview

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 413

• Message text: Define an expression for the comparison basis

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WD413 - Define an expression for the comparison basis ?

  SAP Error Message:
  WD413 - Define an expression for the comparison basis
  
  
  Cause:
  This error typically occurs in the context of Web Dynpro ABAP applications when a comparison or condition is expected but no expression has been defined. Specifically, it arises when the system requires a comparison basis (an expression or condition) to evaluate something (e.g., in a filter, condition node, or context mapping), but the developer or configuration has left this expression undefined or empty.
  Common scenarios include:
  
  Missing or incomplete filter conditions in context nodes.
  Undefined expressions in condition nodes or UI element properties that require a logical comparison.
  Incomplete or missing expressions in the usage of IF or CASE statements within Web Dynpro components.
  When using the Web Dynpro component's condition editor, the comparison basis (expression) is not set.
  
  
  
  Solution:
  To resolve the WD413 error, you need to define a valid expression for the comparison basis wherever it is required. Steps to fix:
  
  
  Check the Condition or Filter:
  
  Open