Binding to Generic property on a class outside assembly causes AVLN9999

[BobbyCannon]

Binding to Generic property on a class outside assembly causes AVLN9999

[BobbyCannon]

There is a recent fix for a similar problem (kekekeks/XamlX#113, pulled in #15333), can you try the latest nightly build (11.2.999-cibuild0047232-alpha)?

No, problem still exists.

11.2.999-cibuild0047228-alpha

Rebuild started at 9:37 PM...
1>------ Rebuild All started: Project: ClassLibrary, Configuration: Debug Any CPU ------
Restored C:\Workspaces\GitHub\BugProjects\ClassLibrary\ClassLibrary.csproj (in 0.6 ms).
Restored C:\Workspaces\GitHub\BugProjects\AvaloniaBindingIssues\AvaloniaBindingIssues.csproj (in 14 ms).
Restored C:\Workspaces\GitHub\BugProjects\AvaloniaBindingIssues.Desktop\AvaloniaBindingIssues.Desktop.csproj (in 17 ms).
1>ClassLibrary -> C:\Workspaces\GitHub\BugProjects\ClassLibrary\bin\Debug\net7.0\ClassLibrary.dll
2>------ Rebuild All started: Project: AvaloniaBindingIssues, Configuration: Debug Any CPU ------
2>MSBUILD : Avalonia error AVLN9999: Member 'System.Collections.ObjectModel.ReadOnlyObservableCollection`1' is declared in another module and needs to be imported
2>Done building project "AvaloniaBindingIssues.csproj" -- FAILED.
3>------ Rebuild All started: Project: AvaloniaBindingIssues.Desktop, Configuration: Debug Any CPU ------
3>CSC : error CS0006: Metadata file 'C:\Workspaces\GitHub\BugProjects\AvaloniaBindingIssues\obj\Debug\net7.0\ref\AvaloniaBindingIssues.dll' could not be found
3>Done building project "AvaloniaBindingIssues.Desktop.csproj" -- FAILED.
========== Rebuild All: 1 succeeded, 2 failed, 0 skipped ==========
========== Rebuild completed at 9:37 PM and took 00.842 seconds ==========

[jp2masa]

There is a recent fix for a similar problem (kekekeks/XamlX#113, pulled in #15333), can you try the latest nightly build (11.2.999-cibuild0047232-alpha)?