How To Fix SWDP_WB_TOOL393 - Reference type not supported for parameter (&) of startup plub (&)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 393

• Message text: Reference type not supported for parameter (&) of startup plub (&)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_TOOL393 - Reference type not supported for parameter (&) of startup plub (&) ?

  The SAP error message SWDP_WB_TOOL393 indicates that there is an issue with the reference type of a parameter in a startup plug-in. This error typically occurs in the context of SAP Web Dynpro applications, particularly when dealing with the configuration of the application or its components.
  Cause:
  The error message suggests that the reference type specified for a parameter in the startup plug-in is not supported. This can happen due to several reasons:
  
  Incorrect Parameter Type: The parameter type defined in the startup plug-in does not match the expected type.
  Configuration Issues: There may be a misconfiguration in the Web Dynpro component or the associated plug-in.
  Missing or Incorrectly Defined Data Elements: The data elements or types that the parameter references may not be defined correctly in the system.
  Version Compatibility: There may be compatibility issues between different versions of SAP components or the Web Dynpro framework.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Parameter Definitions:
  
  Go to the Web Dynpro component and check the definitions of the parameters in the startup plug-in.
  Ensure that the reference types are correctly defined and supported.
  
  
  
  Review Configuration:
  
  Verify the configuration of the Web Dynpro application and ensure that all necessary components are correctly set up.
  Check for any inconsistencies in the configuration that might lead to this error.
  
  
  
  Data Element Verification:
  
  Ensure that all data elements and types referenced by the parameters are correctly defined in the system.
  If any data elements are missing or incorrectly defined, correct them.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve compatibility issues.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for Web Dynpro and startup plug-ins to ensure that you are following the correct procedures and guidelines.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the application to trace where the error occurs and gather more information about the parameters being passed.
  
  
  
  SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with the error message and any relevant details about your configuration.
  
  
  
  Related Information:
  
  Web Dynpro Documentation: Familiarize yourself with the Web Dynpro framework and its components.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums where other users may have encountered similar issues and can offer insights or solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the SWDP_WB_TOOL393 error in your SAP environment.