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But I install some packages in my projects. Is there any things in package which causing this problem also showing this message
If it work fines with the new created shell project, the problem may be related to the installed packages. Please test the packages in blank shell projects one by one to find out which nuget is causing the problem.
If it turns out one nuget causes the issue, you could report the problem to the author of the package for a solution.
Best Regards,
Jarvan Zhang
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