sp error

so when i load any map, when i finish loading a map it goes back to main menu
i checked the console to see this error

======== Installing Table (De)Serialiser Module | ver: 1.4 ========

/====================================
|| PlayX ||
||----------------------------------||
|| Version 2.8.2 ||
|| Updated on 28-08-2013 08:14 PM ||
|| Last Patch by Nexus [BR] ||
====================================/

Couldn’t include file ‘includes\modules\zlib_b64.lua’ (File not found) (@addons/adv duplicator/lua/autorun/shared/dupeshare.lua (line 11))

[ERROR] addons/adv duplicator/lua/autorun/shared/dupeshare.lua:11: Module not found!

require - [C]:-1
unknown - addons/adv duplicator/lua/autorun/shared/dupeshare.lua:11
include - [C]:-1
unknown - addons/adv duplicator/lua/autorun/server/advdupe.lua:5
[ERROR] addons/adv duplicator/lua/autorun/server/advdupe.lua:831: bad argument #2 to ‘Exists’ (string expected, got no value)

Exists - [C]:-1
unknown - addons/adv duplicator/lua/autorun/server/advdupe.lua:831
false
[AdvDupe2Notify] MODULE NOT INSTALLED CORRECTLY. SAVING WILL BE SLOW.

[ERROR] addons/counter-strike/lua/weapons/weapon_cs_base/shared.lua:289: ‘)’ expected near ‘|’

unknown - addons/counter-strike/lua/weapons/weapon_cs_base/shared.lua:0
[ERROR] lua/weapons/weapon_real_base/shared.lua:444: ‘)’ expected near ‘|’

unknown - lua/weapons/weapon_real_base/shared.lua:0
[ERROR] lua/weapons/weapon_real_base_snip/shared.lua:438: ‘)’ expected near ‘|’

unknown - lua/weapons/weapon_real_base_snip/shared.lua:0
[ERROR] lua/weapons/weapon_real_cs_famas/shared.lua:177: ‘)’ expected near ‘|’

unknown - lua/weapons/weapon_real_cs_famas/shared.lua:0
[ERROR] lua/weapons/weapon_real_cs_glock18/shared.lua:166: ‘)’ expected near ‘|’

unknown - lua/weapons/weapon_real_cs_glock18/shared.lua:0
[ERROR] lua/weapons/weapon_real_cs_pumpshotgun/shared.lua:282: ‘)’ expected near ‘|’

unknown - lua/weapons/weapon_real_cs_pumpshotgun/shared.lua:0
Couldn’t include file ‘entities\base_wire_entity.lua’ (File not found) (@addons/adv duplicator 2/lua/entities/gmod_contr_spawner/init.lua (line 15))
Couldn’t include file ‘includes\modules\glon.lua’ (File not found) ()
Skipping disabled E2 extension ‘camera’, to enable run ‘wire_expression2_extension_enable camera’
Skipping disabled E2 extension ‘holoanim’, to enable run ‘wire_expression2_extension_enable holoanim’
Skipping disabled E2 extension ‘light’, to enable run ‘wire_expression2_extension_enable light’
Skipping disabled E2 extension ‘propcore’, to enable run ‘wire_expression2_extension_enable propcore’
Skipping disabled E2 extension ‘remoteupload’, to enable run ‘wire_expression2_extension_enable remoteupload’
Skipping disabled E2 extension ‘tracesystem’, to enable run ‘wire_expression2_extension_enable tracesystem’
Skipping disabled E2 extension ‘wiring’, to enable run ‘wire_expression2_extension_enable wiring’
Map cycle file ‘cfg/mapcycle.txt’ was not found.
Nav File is wrong or something (1)
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\adv duplicator’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\adv duplicator 2’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\advanced dublicator’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\aoc’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\builders_bootcamp’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\cinema’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\cinema_theatron’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\constraint information tool’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\counter-strike’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\day-of-defeat’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\diprip’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\dystopia’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\easy precision 0.95’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\easyprecision’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\fin 2’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\hl2_ep2’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\left4dead’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\left4dead2’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons
o collide world’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons
o_collide_multi’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons
pc_freeman’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\offset trails’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\pac3’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\playx’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\portal’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\portal handheld device(noerrors)’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\precision tool’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\prop hunt’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\rt camera’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\smart welder’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\smartfreezer’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\smartsnap’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\stacker stool’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons f2’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\unbreakable tool’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\weight stool’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\wire repulsor’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\wiremod’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\wire_extras_svn’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\wire_models’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\zeno_clash’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\zps’
Garry’s Mod

sandbox
gm_flatgrass
1
76561200902383800
Attemped to precache unknown particle system “generic_smoke”!
Requesting 13 lua files from the server
Warning: WorldTwoTextureBlend found on a non-displacement surface (material: gm_construct/flatgrass). This wastes perf for no benefit.
clientside lua startup!
Lua JIT is DISABLED!

/====================================
|| PlayX ||
||----------------------------------||
|| Version 2.8.2 ||
|| Updated on 28-08-2013 08:14 PM ||
|| Last Patch by Nexus [BR] ||
====================================/

======== Installing Table (De)Serialiser Module | ver: 1.4 ========
Couldn’t include file ‘includes\modules\zlib_b64.lua’ (File not found) (@addons/adv duplicator/lua/autorun/shared/dupeshare.lua (line 11))

[ERROR] addons/adv duplicator/lua/autorun/shared/dupeshare.lua:11: Module not found!

require - [C]:-1
unknown - addons/adv duplicator/lua/autorun/shared/dupeshare.lua:11
include - [C]:-1
unknown - addons/adv duplicator/lua/autorun/client/cl_advdupe.lua:5
==== Advanced Duplicator v.1.741 client module installed! ====
Requesting texture value from var “$dummyvar” which is not a texture value (material: NULL material)
— Missing Vgui material texturemissing

[ERROR] addons/counter-strike/lua/weapons/weapon_cs_base/shared.lua:289: ‘)’ expected near ‘|’

unknown - addons/counter-strike/lua/weapons/weapon_cs_base/shared.lua:0
[ERROR] lua/weapons/weapon_real_base/shared.lua:444: ‘)’ expected near ‘|’

unknown - lua/weapons/weapon_real_base/shared.lua:0
[ERROR] lua/weapons/weapon_real_base_snip/shared.lua:438: ‘)’ expected near ‘|’

unknown - lua/weapons/weapon_real_base_snip/shared.lua:0
[ERROR] lua/weapons/weapon_real_cs_famas/shared.lua:177: ‘)’ expected near ‘|’

unknown - lua/weapons/weapon_real_cs_famas/shared.lua:0
[ERROR] lua/weapons/weapon_real_cs_glock18/shared.lua:166: ‘)’ expected near ‘|’

unknown - lua/weapons/weapon_real_cs_glock18/shared.lua:0
[ERROR] lua/weapons/weapon_real_cs_knife/shared.lua:51: bad argument #2 to ‘CreateFont’ (table expected, got number)

CreateFont - [C]:-1
unknown - lua/weapons/weapon_real_cs_knife/shared.lua:51
[ERROR] lua/weapons/weapon_real_cs_pumpshotgun/shared.lua:282: ‘)’ expected near ‘|’

unknown - lua/weapons/weapon_real_cs_pumpshotgun/shared.lua:0
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\adv duplicator’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\adv duplicator 2’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\advanced dublicator’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\aoc’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\builders_bootcamp’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\cinema’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\cinema_theatron’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\constraint information tool’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\counter-strike’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\day-of-defeat’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\diprip’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\dystopia’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\easy precision 0.95’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\easyprecision’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\fin 2’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\hl2_ep2’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\left4dead’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\left4dead2’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons
o collide world’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons
o_collide_multi’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons
pc_freeman’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\offset trails’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\pac3’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\playx’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\portal’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\portal handheld device(noerrors)’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\precision tool’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\prop hunt’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\rt camera’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\smart welder’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\smartfreezer’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\smartsnap’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\stacker stool’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons f2’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\unbreakable tool’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\weight stool’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\wire repulsor’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\wiremod’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\wire_extras_svn’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\wire_models’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\zeno_clash’
Adding Filesystem Addon ‘d:\program files (x86)\garrys mod\garrysmod\addons\zps’
Dropped pewdiefelixnot from server (Disconnect by user.)
— Missing Vgui material vgui/crosshair_bg

so yeah

Try uninstalling some of the addons or Verify The Integrity of game cache

You have too many broken addons.

Don’t use outdated addons. Adv dupe hasn’t required zlib for years.