Can anyone tell me where to fix this bug?

When i walk here i get stuck.. and my char gets everytime to the same spot..

would be great if anyone can help me!!

http://imagizer.imageshack.us/v2/800...0/801/fenf.jpg

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Its also on more spots.. cant even come to the teleport at south..

Video of the problem.. hope some one can help me :\

http://www.youtube.com/watch?v=das0A...re=c4-overview

Anyone knows?

UpUpUpUpUpUpUpUpUpUpUp?

mapinfo.mfo at data.pk2 and map.pk2 and navmesh ..

Thanks!!