No Method with the name 'addListener'

Ok,

I have one script which is working a treat ( using ASBroadcasters )
and then today, I copied and pasted the same script into a new site and whenever I try to register a listener, I get the dreaded “There is no method with the name addListener”…

Any ideas as to why this is happening.

oh, and a few things.
the broadcasting object is a class extending the XML class, and i have used the same script before with no issues
the listening object extends the object class, and whilst this class has been freshly developed, the last time I used the ASBroadcaster methods I didn’t have to extend anything for it to work…

please help, i’ve wasted two days on this, and really can’t afford to spend any more… :frowning: