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System.ApplicationException: Invalid Theme at Wisej.Core.ClientTheme.GetInstance(String name) #1077

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@itg-assistant

sank sank asked 2017-09-07 09:25:47 UTC

When I load a form I get this error. how can I fix it?

in web.config is all set correctly:

System.ApplicationException: Invalid Theme    at Wisej.Core.ClientTheme.GetInstance(String name)    at Wisej.Base.ApplicationBase.get_Theme()    at Wisej.Base.Extensions.GetTheme(IComponent component)    at Wisej.Web.Form.SizeFromClientSize(Size clientSize)    at Wisej.Base.ControlBase.SetClientSizeCore(Int32 width, Int32 height)    at Wisej.Base.ControlBase.set_ClientSize(Size value)    at Wisej.Web.Form..ctor()    at ...

thx

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  1. itg-assistant commented on Jun 12, 2026

    @itg-assistant
    Author

    Frank (ITG) answered 2017-09-07 12:48:18 UTC

    Hi Sank,

    does this happen at design time or runtime ?
    Do you have any theme-related setting in default.json ?

    Can you please send web.config and default.json to me --> frankATiceteagroup.com

    Thanks in advance !

    Best regards
    Frank

  2. added
    BugSomething is broken or behaving unexpectedly.
    on Jun 12, 2026
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