Some GM can help me?

Some GM can help me? I have a bug here in DK area, doing missions and when the server crashed, and my mission is gone and now I can not start again because I'm bugged and can not continue. please someone help me ???
this mission disappeared:
Quest: [The Scarlet Onslaught Emerges]
id = quest=12756

this mission gone it transforms me and a scarlet messenger, the mission gone and I turned and npc are as enemies

Thank you very much in advance

https://fbcdn-photos-b-a.akamaihd.ne...7b30a169dd5e1b

open a ticket in-game

Already open ticket in the game but so far no answer

problem solved thanks to staff