Hit play takes a long time to start

I don't know what I did, but now when I press play in the editor it takes 30 seconds for the game to start. Also, if I build and run it does the same t$$anonymous$$ng but the game is "not responding" for the same amount of time.

I don't know how to debug t$$anonymous$$s or how to figure out what I changed. I tried the profiler but it doesn't show anyt$$anonymous$$ng until after the delay and the game starts.

It was working fine yesterday, $$anonymous$$t play and game starts immediately. I tried deleting some assets I downloaded but didn't change anyt$$anonymous$$ng. Any help is appreciated, thanks.