Avatar movement issue

[Darkwing Duck]

Hi.
I have a critical, as for me, issue. I clicks at any walkable tile to move avatar there, and quicly pans map and my avatar is disappeared. And show me exception:

TypeError: Error #2007: Parameter child must be non-null.
at flash.display::DisplayObjectContainer/contains()
at com.smartfoxserver.openspace.engine.control.avatar::AvatarAnimator/onAvatarAnimationStep()[/Users/Paolo/gotoAndPlay/gotoAndPlay/SmartFoxServer/OpenSpace/Client/Classes/src/com/smartfoxserver/openspace/engine/control/avatar/AvatarAnimator.as:380]
at Function/http://adobe.com/AS3/2006/builtin::apply()
at com.greensock::TweenMax/renderTime()[/Users/Paolo/gotoAndPlay/gotoAndPlay/SmartFoxServer/OpenSpace/Client/Classes/src/com/greensock/TweenMax.as:749]
at com.greensock.core::SimpleTimeline/renderTime()[/Users/Paolo/gotoAndPlay/gotoAndPlay/SmartFoxServer/OpenSpace/Client/Classes/src/com/greensock/core/SimpleTimeline.as:74]
at com.greensock::TweenLite$/updateAll()[/Users/Paolo/gotoAndPlay/gotoAndPlay/SmartFoxServer/OpenSpace/Client/Classes/src/com/greensock/TweenLite.as:616]

If on the map some avatars is walking that an error go is reproduced more often

[Bax]

Which version of OpenSpace are you using?
Use the IOpenSpaceAPI.version property to know the exact version.

[Darkwing Duck]

the version is 2.0.3

[Bax]

Please upgrade to version 2.0.4