How To Fix SWDP_WB_TOOL495 - Context generation for type & is not supported by the wizard

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 495

• Message text: Context generation for type & is not supported by the wizard

What causes this issue?

Type &V1& of the parameter &V2& contains tables as structure components
or nested tables. The wizard does not support the adoption of the
parameter into the context for this reason.

System Response

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

How to fix this error?

The parameter &V2& can instead be created as a controller attribute or
as a parameter for the controller method to be generated.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_TOOL495 - Context generation for type & is not supported by the wizard ?

  The SAP error message SWDP_WB_TOOL495 indicates that the context generation for a specific type is not supported by the wizard in the SAP Web Dynpro environment. This error typically arises when you are trying to create or modify a Web Dynpro component and the system encounters a type that it cannot process.
  Causes:
  
  Unsupported Data Types: The type you are trying to use in your Web Dynpro component may not be supported by the context wizard. This can happen if you are using custom data types or certain complex types that the wizard cannot handle.
  Incorrect Configuration: There may be an issue with the configuration of the Web Dynpro component or the associated data model.
  Version Compatibility: The version of the SAP system you are using may not support certain features or types that you are trying to implement.
  Missing Annotations: If you are using annotations in your data model, missing or incorrect annotations can lead to this error.
  
  Solutions:
  
  Check Data Types: Review the data types you are using in your Web Dynpro component. Ensure that they are supported by the context wizard. If you are using custom types, consider using standard types or simpler structures.
  Simplify Context: If possible, simplify the context structure by removing complex types or breaking them down into simpler components that the wizard can handle.
  Manual Context Definition: Instead of relying on the wizard, you can manually define the context in the Web Dynpro component. This involves creating the context nodes and attributes programmatically.
  Update SAP System: If you suspect that the issue is related to version compatibility, check for any available updates or patches for your SAP system that may resolve the issue.
  Consult Documentation: Refer to the official SAP documentation for Web Dynpro to ensure that you are following best practices and using supported features.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently updates its knowledge base with solutions and workarounds for common problems.
  Community Forums: Engage with the SAP Community or forums where other developers may have encountered similar issues. They can provide insights or solutions based on their experiences.
  Debugging: If you have access to debugging tools, consider using them to trace the context generation process and identify where the failure occurs.
  
  By following these steps, you should be able to diagnose and resolve the SWDP_WB_TOOL495 error in your SAP Web Dynpro application.