关于补丁问题。。。

pc49533101

一直都是玩的比较早版本的求2，今天忽然想升级，就打了索引帖里纯净补丁，一直打到了2038。结果发现进不了图了。。游戏能进，就是一建立地图，进度条读完了就直接回到主菜单，不管是用命令建图还是直接点游戏里的选择建图，都这样，我看了看控制台

] map c5m5_bridge
---- Host_NewGame ----
Host_NewGame on map c5m5_bridge
Executing listen server config file
Initializing Director's script
Couldn't find any entities named trigger_demo_endlevel, which point_template template_demo is specifying.
Couldn't find any entities named triggers_survival, which point_template temp_battle_survival is specifying.
an info_changelevel points to the current map
Dynamic prop heli_cam: no sequence named:1turn
WARNING: orator_chopper at 7546 3641 282 missing modelname
Attempting to precache model, but model name is NULL
Commentary: Loading commentary data from maps/c5m5_bridge_commentary.txt.
Initializing Director's script
Floor 0 ('bottom') of elevator at ( -9732.00, 6326.00, 526.00 ) has no matching navigation areas
Floor 0 ('bottom') of elevator at ( -9732.00, 6326.00, 526.00 ) has no matching navigation areas
Floor 0 ('bottom') of elevator at ( -9732.00, 6326.00, 526.00 ) has no matching navigation areas
Floor 0 ('bottom') of elevator at ( -9732.00, 6326.00, 526.00 ) has no matching navigation areas
Sending UDP connect to public IP 127.0.0.1:27015
Server using '<none>' lobbies, requiring pw no, lobby id 0
RememberIPAddressForLobby: lobby 0 from address loopback
CSteam3Client::InitiateConnection: n/a
String Table dictionary for soundprecache should be rebuilt, only found 9750 of 11413 strings in dictionary
String Table dictionary for Scenes should be rebuilt, only found 6768 of 8310 strings in dictionary
Left 4 Dead 2
Map: c5m5_bridge
Players: 1 (0 bots) / 4 humans
Build: 4317
Server Number: 1
Duplicate sequence 3 in sheet file
No pure server whitelist. sv_pure = 0
Redownloading all lightmaps
Connection to Steam servers successful.
   VAC secure mode is activated.
Missing RecvProp for DT_TerrorGameRulesProxy - DT_TerrorGameRules/m_bIsVersusVoteRestarting
Host_EndGame: CL_ParseClassInfo_EndClasses: CreateDecoders failed.
Dropped mdkplayer from server (Disconnect by user.)
BinkOpen( f:\xlgames\֮·2\֮·2\֮·2\left4dead2\media\l4d2_background02.bik )
各位大大？这是怎么回事啊？