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TweenMax Problem - Error

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When I try to use TweenMax.to(mc, 1, {dropShadowFilter:{color:0xff0000, alpha:1, blurX:12, blurY:12, distance:12}});

it throws me an error Type 1020: Method marked override must override another method. TweenMax.as?

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It sounds like you've got a mis-matched set of files, like maybe an old version of TweenLite and a newer version of TweenMax. Or maybe you're subloading an swf with a stale version of the tweening platform into the same ApplicationDomain of a swf with a newer version. Please make sure you update your files to a consistent version (preferably the latest one) and recompile.

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  • 2 years later...

Hi - really sorry to drag this ancient issue up but I am experiencing the exact same problem. Thing is I am using a fresh download of the AS3 greensock library (downloaded today) in a completely new Fla which does not subload any other swfs.


The problem does not go away whether I use import com.greensock.*; or import com.greensock.TweenLite; but it does let me import the library because the errors are only thrown when I try to instantiate the library.




Ok this is solved and I am an idiot - I had a movieclip named 'Animation' in my library which was causing a conflict with the core Greensock class Animation. Please delete this thread and my account because I do not deserve to use your library!

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Ha, we'll let you hang around a little longer ;)


Thanks for the update, I was just about to run some tests. 


This stuff happens all the time, even to me (but please don't tell anyone)

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