How To Fix WD408 - Rule definition '&' not found


WD408 - Overview

  • Message type: E = Error

  • Message class: WD - Workflow definition

  • Message number: 408

  • Message text: Rule definition '&' not found

  • Show details Hide details


  • 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.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message WD408 - Rule definition '&' not found ?
    The SAP error message:
    WD408 Rule definition '&' not found
    typically occurs in the context of Web Dynpro ABAP applications.
    
    Cause
    
    The error indicates that the Web Dynpro runtime is trying to find a navigation rule or action rule named '&', but such a rule does not exist.
    This usually happens when the navigation or action rule name is dynamically determined or incorrectly specified, and the system ends up looking for a rule named '&'.
    Common reasons include:
    Incorrect or missing rule name in the navigation or action definition.
    A placeholder or variable for the rule name is empty or contains an invalid character (like '&').
    Programming or configuration error where the rule name is not properly set or passed.
    
    
    
    
    Solution
    
    
    Check Navigation/Action Rule Names:
    
    Review the Web Dynpro component's navigation or action rules.
    Ensure that all rules have valid names and that the names used in the code or configuration match exactly.
    
    
    
    Debug the Rule Name Resolution:
    
    Use the debugger to check how the

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