Xpand.XAF.Modules.LookupCascade - Bug - System.MissingMethodException

[txt2203]

XAF project: DevexPress 20.2.5 + XPand 20.2.504 + XAF 4.202.52 Debug XAF Web project, Bug at line : "WebApplication.Instance.Setup();" in file Glocal.asax.cs. show : System.MissingMethodException HResult=0x80131513 Message=Method not found: 'System.IObservable1<System.ValueTuple2<!!0,!!1>> System.Reactive.Linq.ObservableEx.CombineLatest(System.IObservable1<!!0>, System.IObservable1<!!1>)'. Source=Xpand.XAF.Modules.LookupCascade StackTrace: at Xpand.XAF.Modules.LookupCascade.LookupCascadeService.RegisterClientScripts(XafApplication application) in D:\a\1\s\src\Modules\LookupCascade\LookupCascadeService.cs:line 45 at Xpand.XAF.Modules.LookupCascade.LookupCascadeService.<>c.<Connect>b__4_0(XafApplication application) in D:\a\1\s\src\Modules\LookupCascade\LookupCascadeService.cs:line 32 at Xpand.XAF.Modules.Reactive.Services.ApplicationModulesManagerService.<>c__DisplayClass0_11.<WhenApplication>b__1() in D:\a\1\s\src\Modules\Reactive\Services\ApplicationModulesManagerService.cs:line 20 at System.Reactive.Linq.ObservableImpl.Defer1..Run() in //Rx.NET/Source/src/System.Reactive/Linq/Observable/Defer.cs:line 37

I installed eXpandAnogstic , eXpandWeb, XPand.XAF.Core.All, Xpand.XAF.Web.All. But not solved. Please advise.

[apobekiaris]

are u interested in the LookupCascade module? what about if u not install it?

[txt2203]

I could not remove LookupCascade module because other important modules depend on it. Actually I don't want to use it.

[apobekiaris]

what other important modules? did u tried the wiki instructions?

https://github.com/eXpandFramework/Reactive.XAF/tree/master/src/Modules/LookupCascade#issues-debugging-troubleshooting

[expand]

Closing issue for age. Feel free to reopen it at any time.

.Thank you for your contribution.