Some errors in Virtous Source

Hellow how can I fix this errors.Here are the error logs [Only registered and activated users can see links. Click Here To Register...]
How to fix this please because some players has random client crashes when they try to teleport to another map

Some sfx are missing

can you tell me what are the possible errors that are there which cause the client crash when teleporting to a dungeon or any map?

You need the sfx from this dungeon but you haven´t got them

if someone knows how to fix client crashing issue of virtous files Im willing to pay you email me [Only registered and activated users can see links. Click Here To Register...]