If you're having troubles with another player you should report them to one of the admins, here's how you do it:
\\How To Report a user// (http://www.feral-heart.com/index.php?option=com_jfusion&Itemid=2&jfile=index.php&topic=21825.0)
As for the map problem I can't say for sure - might just be some derpy glitches going about.
Is the map done by another user? Or is it the general game ones like FluoritePlains, BonFire Island etc etc?