I started using Vuforia for my uni project and everything went well. I am working on Unity 2020.3.38f1 and I've downloaded Vuforia package 10.12.3.
I have created ImageTarget and downloaded database yesterday and when I did that, the downloaded file had Unity logo on them. I've successfully imported Vuforia and created ImageTarget with my Database and everything worked fine until now.
When I want to go Play Mode, my camera is black and I get error that says (picture is attached)