I made a JS project on KA and was almost done with it when the OhNoes Guy popped up with the message "Cannot read property 'code' of undefined." Usually, when errors appear, there will be a button saying "Show me where" so the problem can be resolved quickly. Well, here, there is no "Show me where" button. I would also try to look through the code to find the problem except that the message is very vague. (I'll admit, I am being lazy, but I also want this to resolve quickly and not have to dig through my amateur code.)
Thanks in advance!