game crashing

SaniK

this is what I get, any suggestions?

Date: 01/02/13
Time: 12:38:36
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Build 235
Steam initialized
Render Device: ATI Radeon HD 5700 Series (8.17.10.1151)
Sound Device: Speakers (High Definition Audio Device) stereo
Record Device: Microphone (Afterglow Universal Wireless Gaming Headset)
Loading config://ConsoleBindings.json
Loading config://FavoriteServers.json
Main Menu Initialized at Version: 235
Steam Id: 1148031
Connecting to server 67.213.213.104:27015
Loading config://ConsoleBindings.json
Loading config://FavoriteServers.json
Loading 'maps/ns2_docking.level'
Error: Couldn't open file 'models/props/docking/docking_baggagescreens_01.model'
Error: Couldn't open file 'models/props/docking/docking_plants_test.model'
Error: Couldn't open file 'models/props/docking/docking_tram_01.model'
Error: Couldn't open file 'materials/descent/descent_floor_01_a.material'
Error: No shader specified for material 'materials/descent/descent_floor_01_a.material'
Building pathing mesh for level maps/ns2_docking.level
Finished loading 'maps/ns2_docking.level'
Error: Couldn't open file 'models/.material'
Error: No shader specified for material 'models/.material'
Error: Couldn't open file 'models/props/docking/docking_shower_towelrack3.model'
Error: Couldn't open file 'models/props/docking/shower_test.model'
Error: Couldn't open file ''
Error: Couldn't open file ''
Error: Couldn't open file ''
Error: Couldn't open file ''
Error: Couldn't open file ''
Chat All - SaniK -WW-: sup davey & tabasco
Error: Couldn't open file ''
Error: Couldn't open file 'models/props/descent/docking_tram_03_front.model'
Error: Couldn't open file 'models/props/descent/docking_tram_03_mid.model'
Error: Couldn't open file 'models/props/descent/docking_tram_03_back.model'
Error: Couldn't open file ''
Error: Couldn't open file ''
Error: Couldn't open file ''
Error: Couldn't open file ''
Error: Couldn't open file ''
Error: Couldn't open file ''
Error: Couldn't open file ''