Never mind. I fixed it already.
I forgot that SFML is prebuilt in Release and I built TGUI in Debug.
I changed it so that I built TGUI in Release mode as well and now everything is working as it should.
I forgot that SFML is prebuilt in Release and I built TGUI in Debug.
I changed it so that I built TGUI in Release mode as well and now everything is working as it should.