QT creator:-1: error: dependent '..\..\..\..\Qt5.15.2\5.15.2\msvc2019_64\include\QtWidgets\QMainWindow' does not exist.

:-1: error: dependent '..\..\..\..\Qt5.15.2\5.15.2\msvc2019_64\include\QtWidgets\QMainWindow' does not exist.

Pro文件添加：

QMAKE_PROJECT_DEPTH = 0