Hi Adam Havlíček,
Like this case here, please make sure that whether you really setup the correct Environment before you debug/run your app.
https://stackoverflow.com/questions/45985339/couldnt-start-client-clang-language-server-in-vs-code
In addition, this forum is to discuss the VS IDE debugging, since it was related to the VS code, if possible, you could post an issue here:
https://stackoverflow.com/questions/tagged/visual-studio-code
I think you would get dedicated support from the VS code members.
Sincerely,
Jack
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