The famous Error #1010...

Hi everyone,

I've got the same problem as many of users.... the famous error #1010.

Don't understand why and how I can solved it... If someone could help me, it'd be fantastic !

Here's my error :

TypeError: Error #1010: A term is undefined and has no properties.

at version0_fla::playerSide_5/frame1()[version0_fla.playerSide_5::frame1:1]

at flash.display::MovieClip/gotoAndStop()

at com.laserdragonuniversity.alpaca::Player()

at com.laserdragonuniversity.alpaca::Engine/createBackground()

at com.laserdragonuniversity.alpaca::Engine/configLoaded()

at flash.events::EventDispatcher/dispatchEventFunction()

at flash.events::EventDispatcher/dispatchEvent()

at flash.net::URLLoader/onComplete()

and, if y ignore it, it says :

TypeError: Error #1010: A term is undefined and has no properties.

          at version0_fla::playerTalk_22/frame1()[version0_fla.playerTalk_22::frame1:1]

          at flash.display::MovieClip/gotoAndStop()

          at com.laserdragonuniversity.alpaca::Speech()

          at com.laserdragonuniversity.alpaca::Puzzle/firstAction()

          at com.laserdragonuniversity.alpaca::Engine/removeIntro()

I'm using alpaca open source : http://www.alpacaengine.com/docs

downloable here : http://www.alpacaengine.com/downloads/alpaca_sample_project_2-1.zip

Thanks very much for your help !

Stephan