How To Fix SWDP_WB_CHIP031 - Only one port can be created for method/event &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_WB_CHIP - Message Class

• Message number: 031

• Message text: Only one port can be created for method/event &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_CHIP031 - Only one port can be created for method/event &1 ?

  The SAP error message SWDP_WB_CHIP031 indicates that there is an issue with the creation of ports for a method or event in a Web Dynpro component. Specifically, it states that only one port can be created for the specified method or event.
  Cause:
  This error typically occurs when you attempt to create multiple ports for a single method or event in a Web Dynpro component. In Web Dynpro, each method or event can only have one associated port, and trying to create additional ports for the same method or event will trigger this error.
  Solution:
  To resolve this error, you should:
  
  
  Check Existing Ports: Review the existing ports for the method or event in question. Ensure that there is only one port defined for that method/event.
  
  
  Remove Duplicate Ports: If you find that there are multiple ports defined for the same method/event, remove the duplicates. You can do this by:
  
  Navigating to the Web Dynpro component in the SAP Web Dynpro Workbench.
  Locating the method/event in the component controller or view controller.
  Deleting any additional ports that are not needed.
  
  
  
  Recreate the Port: If you need to modify the port, you may need to delete the existing port and then recreate it, ensuring that only one port is created for the method/event.
  
  
  Check for Dependencies: If the method/event is being used in multiple places, ensure that the changes you make do not affect other components or functionalities.
  
  
  Related Information:
  
  Web Dynpro Documentation: Refer to the official SAP documentation for Web Dynpro to understand the concepts of methods, events, and ports better.
  SAP Community: You can search for similar issues in the SAP Community forums, where other developers may have encountered and resolved the same error.
  Debugging: If the issue persists, consider using debugging tools to trace the execution and identify where the multiple ports are being created.
  
  By following these steps, you should be able to resolve the SWDP_WB_CHIP031 error and ensure that your Web Dynpro component functions correctly.