How To Fix SWDP_WB_TOOL373 - Event 'EXPAND_ALL' of the element "&1" is bound

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools

• Message number: 373

• Message text: Event 'EXPAND_ALL' of the element "&1" is bound

What causes this issue?

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

&SYSTEM_RESPONSE&,
The 'EXPAND_ALL' event of the tree UI element is bound.
Caution: This event expands the whole tree structure, which is why it
should NOT be bound if large quantities of data are managed in the tree!

How to fix this error?

Procedure for System Administrators

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_TOOL373 - Event 'EXPAND_ALL' of the element "&1" is bound ?

  The SAP error message SWDP_WB_TOOL373 indicates that there is an issue related to the event 'EXPAND_ALL' of a specific UI element in a Web Dynpro application. This error typically occurs when there is an attempt to bind an event that is already bound to another handler or when there is a conflict in the event handling logic.
  Cause:
  
  Event Binding Conflict: The event 'EXPAND_ALL' is already bound to a handler for the specified UI element, and there is an attempt to bind it again.
  Incorrect Configuration: There may be a misconfiguration in the Web Dynpro component or view where the event is defined.
  Multiple Bindings: The same event might be inadvertently bound multiple times in the application logic.
  
  Solution:
  
  Check Event Bindings: Review the event bindings in the Web Dynpro component. Ensure that the 'EXPAND_ALL' event is only bound once to a handler for the specified element.
  Remove Duplicate Bindings: If you find that the event is bound multiple times, remove the duplicate bindings to resolve the conflict.
  Review Component Configuration: Check the configuration of the Web Dynpro component and ensure that the event handling logic is correctly implemented.
  Debugging: Use the debugging tools in the SAP Web Dynpro environment to trace the event handling and identify where the conflict is occurring.
  Consult Documentation: Refer to the SAP documentation for Web Dynpro to understand the correct usage of event handling and binding.
  
  Related Information:
  
  Web Dynpro Documentation: Familiarize yourself with the Web Dynpro programming model and event handling concepts.
  SAP Notes: Check for any relevant SAP Notes or updates that might address known issues related to this error message.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar experiences from other developers.
  
  By following these steps, you should be able to identify and resolve the issue causing the SWDP_WB_TOOL373 error in your SAP Web Dynpro application.