The play test button was working fine yesterday. I haven't done anything to affect it, that I know of, but for some reason it's not playtesting my game. I hit the button and nothing happens. I tried the Index.html file and this appears "Unspecified Error", but no description of what's causing it [yeah, thanks for that]. I can play the game just fine if I distribute it to the output folder. I really really don't want to have to do that every time I need to playtest my game though. EDIT: Yes, I have the package.json in my root folder. I opened a new project and the same thing happens as well.