Why isn't my code working now when it used to?

Hey there,

I've just got a basic question.

I'm using Edge CC 2015 and for some reason my basic code to go to another label doesn't seem to want to work. Even my simple rollover code inside my button symbol doesn't want to work either.

See my file here

http://twistedpancreas.com/misc/edge/btn.zip

Am I missing something?

Thanks in advance.