How to fix error: unknown module(s) in QT

Hello,
I’m using latest version of QT and i get this error message. How do i fix this?

Please don’t post the same question in multiple places.

I’m using latest version of QT

How do you install it?

Please check the build instructions regarding installing Qt since

You need to install Qt as described below instead of using pre-built packages from say, a Linux distribution, because QGroundControl needs access to private Qt headers.