I have no Idea why this happens. But when I am Using the Authoring tools, Then I run my survival map. This occurs:

Code:
Can't use cheat cvar fog_endskybox in multiplayer, unless the server has sv_cheats set to 1.
Can't use cheat cvar fog_color in multiplayer, unless the server has sv_cheats set to 1.
Can't use cheat cvar fog_colorskybox in multiplayer, unless the server has sv_cheats set to 1.
Can't use cheat cvar fog_color in multiplayer, unless the server has sv_cheats set to 1.
Can't use cheat cvar fog_colorskybox in multiplayer, unless the server has sv_cheats set to 1.
Can't use cheat cvar fog_color in multiplayer, unless the server has sv_cheats set to 1.
Can't use cheat cvar fog_colorskybox in multiplayer, unless the server has sv_cheats set to 1.
Can't use cheat cvar r_farz in multiplayer, unless the server has sv_cheats set to 1.
Can't use cheat cvar r_farz in multiplayer, unless the server has sv_cheats set to 1.
  Adjusting game mode coop, 4 slots.
            game mode = coop
Binding uncached material "engine/preloadtexture", artificially incrementing refcount
env_cubemap used on world geometry without rebuilding map. . ignoring: concrete/urban_sidewalk_02a
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Map survival_sewers missing stringtable dictionary, don't ship this way!!!
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Host_EndGame: Map coordinate extents are too large!!
Check for errors!

Stopping All Sounds...
Loading: 17.63 seconds
Executing addoninstaller to register with vpk files
Failed to execute addoninstaller(1223): The operation was canceled by the user.

CAsyncWavDataCache:  0 .wavs total 0 bytes, 0.00 % of capacity
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2_dlc3\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2_dlc2\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2_dlc1\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\mic2v11.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\rts.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\white prison.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\absolute zero.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\l4d2_bedrooms3.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\suicideblitz2.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\nazi_zombies.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\finalcut.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\2019_lite.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\aglaroom2.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\outpost2.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\urbandisaster.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\no-cure-l4d2-custom sounds.vpk\sound\sound.cache'
Trying cache :  'c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\addons\musicfix.vpk\sound\sound.cache'
Host_AbortServer: aborting on main thread
Datacenter::RequestStart, time 27.70
GetBlogConfigVersion: blog version 20110729
Binding uncached material "vgui_white", artificially incrementing refcount
Binding uncached material "vgui/hud/800corner1", artificially incrementing refcount
Binding uncached material "vgui/hud/800corner2", artificially incrementing refcount
Binding uncached material "vgui/hud/800corner4", artificially incrementing refcount
Binding uncached material "vgui/hud/800corner3", artificially incrementing refcount
Binding uncached material "__fontpage", artificially incrementing refcount
BinkOpen( c:\program files (x86)\steam\steamapps\common\left 4 dead 2\left4dead2\media\l4d2_background03.bik )
Binding uncached material "vgui/left4dead2logo", artificially incrementing refcount
Binding uncached material "vgui/menu_mode_campaign", artificially incrementing refcount
Binding uncached material "vgui/menu_mode_border", artificially incrementing refcount
Binding uncached material "vgui/menu_mode_mutation_official", artificially incrementing refcount
Binding uncached material "vgui_white", artificially incrementing refcount
Binding uncached material "__fontpage", artificially incrementing refcount
Binding uncached material "vgui/menu_mode_mutation_online", artificially incrementing refcount
Binding uncached material "vgui/menu_mode_mutation", artificially incrementing refcount
Binding uncached material "vgui/arrow_left", artificially incrementing refcount
Binding uncached material "vgui/arrow_right", artificially incrementing refcount
Binding uncached material "__fontpage", artificially incrementing refcount
Binding uncached material "vgui/hud/800corner1", artificially incrementing refcount
Binding uncached material "vgui/hud/800corner2", artificially incrementing refcount
Binding uncached material "vgui/hud/800corner4", artificially incrementing refcount
Binding uncached material "vgui/hud/800corner3", artificially incrementing refcount
Binding uncached material "vgui/menu_backgroud_top", artificially incrementing refcount
Binding uncached material "vgui/menu_backgroud_bottom", artificially incrementing refcount
"materials/maps/survival_sewers/cubemapdefault.vtf": can't be found on disk
Datacenter::RequestStop, time 55.05, state 1
Datacenter::RequestUpdate failed
Datacenter::RequestStart, time 130.09
Can anyone help? Anything would be helpful.