Green square on game canvas using Phaser

Question

Can someone please tell me why I'm getting a green square on my Phaser game canvas as below?

Answer 1

Without seeing any code I can tell you that you'll see that when an image can't be loaded by the Phaser framework.

Open developer tools in your browser of choice and refresh after opening the Network tab. You should see a 404 for one of your images.

I believe if you look at the standard browser console you may also see messages about the name of the asset that it failed to load.