Hi
I suggest you could try to Reload Project
. In Solution Explorer, select the projects you want to load (press Ctrl while clicking to select more than one project), and then right-click on the project and choose Reload Project.
The reason for this issue may be that you selected Do not load projects
when you opened the project. It may also be that something are missing and need to be installed. You could install it directly according to the prompts.
PS: Currently in Microsoft Q&A we only support English, could you please edit your question into English?
Best Regards,
Jeanine
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