Hello,
This is a known issue in GitHub XLS0414: The type ' ' was not found. Verify that you are not missing an assembly reference and that all referenced assemblies have been build. #7192. According to the workaround in this issue, you can resolve this issue by cleaning and rebuilding the solution.
For some reason it needed a couple of Clean SOlution and rebuilds and now it works
If this problem still occurs, you can try the following methods:
- Update Nuget Packages in the project.
- Check whether the MAUI component has been installed in VS.
Best Regards,
Alec Liu.
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