Error Running Applet in Browser

So I am trying to run a Slick applet I made in browser (using local files, not uploaded to the net yet) and I keep getting an error that says 'an error occured while loading the applet. Please contact support. The error occured while ‘Downloading packages’. I’ve got signed JARs for windows, mac and linux as well as the lwjgl.util.applet jar in the folder and my own game exported as a JAR in the file so I dont know why this is happening? This is my html

Your console should be printing an exact stack trace.