Greetings @KurvinoxMichal! Let’s try to figure this one out.
From the contents of your provided log, a toolchain from Visual Studio is missing or outdated. The following lines are calling out the issue:
UATHelper: Pakowanie (Windows): Visual Studio 2022 is installed, but is out of date or missing a valid C++ toolchain (minimum version 14.38.33130, preferred version 14.38.33130). Please update Visual Studio 2022 to 17.8 or later and verify that the “MSVC v143 - VS 2022 C++ x64/x86 build tools (v14.38-17.8)” component is selected in the Visual Studio 2022 installation options.
In order to fix the issue, and correct any other faulty componets, please follow the UE setup guide for Visual Studio, which also includes the supported versions for all software elements: