How To Fix W8709 - Internal error during event parameter check

SAP Error Message - Details

• Message type: E = Error

• Message class: W8 - Workflow: Expressions, data flow

• Message number: 709

• Message text: Internal error during event parameter check

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message W8709 - Internal error during event parameter check ?

  SAP Error Message:
  
  W8709 - Internal error during event parameter check
  
  Cause:
  The error message W8709 typically occurs during the processing of event parameters in SAP workflow or event handling. It indicates that an internal inconsistency or unexpected condition was encountered when the system was checking the parameters passed to an event.
  Common causes include:
  
  Incorrect or missing event parameters: The event being triggered expects certain parameters, but they are either missing, incorrectly defined, or have incompatible data types.
  Custom code issues: If there is custom code (e.g., in user exits, BAdIs, or workflow event handlers) that manipulates event parameters, it might cause inconsistencies.
  Corrupted or inconsistent workflow objects: Sometimes, the workflow container or event definitions might be corrupted or inconsistent.
  System inconsistencies or bugs: Rarely, this can be caused by a bug in the SAP system or inconsistencies in the underlying tables related to events and workflows.
  
  
  Solution:
  
  
  Check Event Parameter Definitions:
  
  Verify the event definition in transaction SWETYPV (Event Type Builder) or SWO1 (Business Object Builder).
  Ensure that the event parameters are correctly defined and match the expected data types.
  
  
  
  Analyze the Event Triggering Code:
  
  If the event is triggered via custom code (e.g., SWE_EVENT_CREATE or SWE_EVENT_RAISE), check the parameters passed.
  Make sure all required parameters are passed and are of the correct type.
  
  
  
  Check Workflow Container and Bindings:
  
  Use transaction SWDD (Workflow Builder) to check the workflow container and parameter bindings.
  Ensure that the event parameters are correctly mapped to the workflow container elements.
  
  
  
  Debug the Event Parameter Check:
  
  If possible, debug the workflow event triggering to identify where the internal error occurs.
  Set breakpoints in function modules like SWE_EVENT_CREATE or related event handling routines.
  
  
  
  Check for OSS Notes:
  
  Search SAP Support Portal for OSS Notes related to message W8709.
  Apply any relevant patches or corrections if the issue is caused by a known bug.
  
  
  
  Consistency Checks:
  
  Run consistency checks for workflows using transaction SWU_CHECK.
  Repair any inconsistencies found.
  
  
  
  Review Recent Changes:
  
  If the error started after recent changes (e.g., transport imports, custom developments), review those changes carefully.
  
  
  
  
  Related Information:
  
  
  Transactions:
  
  SWETYPV - Event Type Builder (to check event parameters)
  SWO1 - Business Object Builder (to check business objects and events)
  SWDD - Workflow Builder (to check workflows and container)
  SWU_CHECK - Workflow consistency check
  
  
  
  Function Modules:
  
  SWE_EVENT_CREATE - Used to create/raise events
  SWE_EVENT_RAISE - Used to raise events
  
  
  
  SAP Notes:
  
  Search for notes with keywords like "W8709", "event parameter check", "workflow event error".
  Example note numbers might vary depending on SAP version and component.
  
  
  
  Documentation:
  
  SAP Help Portal sections on Workflow and Event Handling.
  SAP Community forums and blogs discussing similar errors.
  
  
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Internal inconsistency during event parameter validation, often due to incorrect or missing parameters or custom code issues.
  
  
  Solution
  Verify event parameter definitions, check custom code, debug event triggering, run workflow consistency checks, apply SAP Notes.
  
  
  Related Info
  Transactions SWETYPV, SWO1, SWDD, SWU_CHECK; function modules SWE_EVENT_CREATE, SWE_EVENT_RAISE; SAP Notes and documentation.
  
  
  
  
  If you provide more context (e.g., when exactly the error occurs, custom developments involved), I can help with more specific guidance.