I try to compile the project any gives out such error enter image description here

and the build directory is highlighted in red enter image description here

I am still a novice and for the first time working with Qt, I could not find the necessary and understandable explanation.

  • In the second screenshot on the left in the center, next to the word Desktop, there is a red circle. And this says that the compiler and the company (Kit) are incorrectly configured). It is possible that the studio compiler you forgot to put. This explains your bug. - KoVadim
  • Studio compiler? How to put it? - Roma Matveyev
  • just install the 2015 community studio (it's free for many uses). You can download it on the Microsoft website, but you will need to search a bit (they persist in offering 2017 everywhere) - KoVadim
  • Probably, therefore, because I just have 2017, but I don’t have it - Roma Matveyev

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