Problem to open GameServer

[03:51:34] -- This source has been writen by Bagu Alexandru. --
[03:51:34] --    Copyright (c) Bagu Alexandru 2008-2010.     --
[03:51:34] -- Source created with the help of all mighty God.--
[03:51:34] Load server configuration! !
[03:51:47] Initializing database.
[03:51:47] Loading Game Clans.
[03:51:49] Item Base and Plus information loaded.
[03:51:57] Monster information loaded.
[03:51:57] Monster drops generated.
[03:51:57] Spells information loaded.
[03:51:57] Shops information loaded.
[03:51:57] Map informations loaded.
[03:51:59] Nobility information loaded.
[03:51:59] Arena information loaded.
[03:52:00] System.NullReferenceException: Object reference not set to an instance of an object.
   at Conquer_Online_Server.Database.ConquerItemTable.RefineryUpdate(IConquerItem Item, GameState
 client) in Source\Database\Conqu
erItemTable.cs:line 177
   at Conquer_Online_Server.Database.ConquerItemTable.LoadItem(UInt32 UID) in Database\ConquerItemTable.cs:line 139
   at Conquer_Online_Server.Database.ArsenalsTable.Load(Guild g) in Source\Database\ArsenalsTable.cs:line 31
   at Conquer_Online_Server.Database.GuildTable.Load() in Source\Database\GuildTable.cs:line 61
   at Conquer_Online_Server.Program.EngineThread_Execute() in Source\Program.cs:line 165
   at Conquer_Online_Server.Program.StartEngine() in Source\Program.cs:line 88
   at Conquer_Online_Server.NotForPublicNotAtAll.NoCrash.NoCrash_Load(Object sender, EventArgs e)
 in Source\NoCrash.cs:line 23
   at System.Windows.Forms.Form.OnLoad(EventArgs e)
   at System.Windows.Forms.Form.OnCreateControl()
   at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
   at System.Windows.Forms.Control.CreateControl()
   at System.Windows.Forms.Control.WmShowWindow(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.Form.WmShowWindow(Message& m)
   at System.Windows.Forms.Form.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lp
aram)