All I did was updated to Version 2.11 had to got back to Version 2.10 and no errors.
Here is my plugins list
07:58:59 [SM] Listing 105 plugins:
001 "[L4D & L4D2] Flashlight Package" (2.17) by SilverShot
002 "[L4D & L4D2] Mutant Zombies" (1.13) by SilverShot
003 "[L4D2] Multiple Gascan and Cola Fill" (1.0.1) by Mart
004 "[L4D & L4D2] Survivor Shove" (1.11) by SilverShot
005 "Client Preferences" (1.10.0.6510) by AlliedModders LLC
006 "[L4D2]Survivor_AFK_Fix" (1.0.4) by Lux
007 "Fun Commands" (1.10.0.6510) by AlliedModders LLC
008 "[L4D & L4D2] Gear Transfer" (2.1
by SilverShot
009 "Player Commands" (1.10.0.6510) by AlliedModders LLC
010 "[L4D & L4D2] Plane Crash" (1.7a) by SilverShot
011 "[L4D2] Global Shadow Fix" (1.2) by SilverShot
012 "[L4D & L4D2] Anti Rush" (1.14) by SilverShot
013 "No Mercy Elevator Fix (Co-op Version)" (1.0.0) by Shadowysn (Co-op method), Mr. Zero (Plugin used as base)
014 "[L4D2]Survivor_Legs_Restore" (1.5.2) by Lux
015 "Basic Ban Commands" (1.10.0.6510) by AlliedModders LLC
016 "[L4D2] Always Lasers" (1.0) by MasterMind420
017 "[L4D1 & L4D2] CreateSurvivorBot" (1.0) by MicroLeo (port by Dragokas)
018 "[L4D] Votekick (no black screen)" (1.
by Dragokas
019 "gameME Plugin" (4.8.1) by TTS Oetzel & Goerz GmbH
020 "Realish_Tank_Phyx" (1.3) by Ludastar (Armonic)
021 "[L4D2] Spitter Acid Glow" (1.0) by SilverShot
022 "Fun Votes" (1.10.0.6510) by AlliedModders LLC
023 "L4D1/2 Real Realism Mode" (1.2) by JNC & HarryPotter
024 "Anti-Flood" (1.10.0.6510) by AlliedModders LLC
025 "Adm Give full health" (2.5) by Harry Potter
026 "[L4D & L4D2] Mission and Weapons - Info Editor" (1.12) by SilverShot
027 "[L4D2] Gas Can limit increase" (1.0) by raziEiL [disawar1]
028 "L4D2 Survivor and Infected Buy Shop" (3.5) by Killing zombies and infected to earn points, Doing Damage to survivors to earn points
029 "Survivor Chat Select" (1.6.1.1) by DeatChaos25, Mi123456 & Merudo
030 "Hunter produces growl fix" (1.3) by Harry Potter
031 "[L4D2] F-18 Airstrike" (1.
by SilverShot
032 "Basic Info Triggers" (1.10.0.6510) by AlliedModders LLC
033 "[L4D & L4D2] Physics Fix" (1.2) by raziEiL [disawar1]
034 "[L4D & L4D2] SM Respawn" (2.3) by AtomicStryker & Ivailosp (Modified by Crasher, SilverShot), fork by Dragokas & Harry
035 "[L4D2] Incapped Crawling with Animation" (2.6) by SilverShot, mod by Lux
036 "[L4D & L4D2] Reverse Friendly-Fire" (2.8.1) by Mystic Spiral
037 "Hunter Crouch Sounds" (1.3) by High Cookie & Harry
038 "[L4D & L4D2] Dynamic Light" (1.7) by SilverShot
039 "Basic Chat" (1.10.0.6510) by AlliedModders LLC
040 "[L4D & L4D2] Dynamic Muzzle Flash" (1.0) by SilverShot, sereky
041 "Basic Votes" (1.10.0.6510) by AlliedModders LLC
042 "[L4D1 & L4D2] Tank HP Sprite" (1.1) by Mart & Harry
043 "[L4D1 & L4D2] Remove Weapons/Carryables Collision" (1.0.6) by Mart
044 "[L4D & L4D2] UnVomit - Remove Boomer Screen Effect" (1.5) by SilverShot
045 "[L4D & L4D2]cs_ladders" (1.0) by Lux
046 "[L4D & L4D2] Achievement Trophy" (2.6) by SilverShot
047 "[L4D2] F-18 Airstrike - Dead Air" (1.3-da) by SilverShot
048 "L4D2 Missiles Galore" (2.0) by Pan Xiaohai
049 "Admin Help" (1.10.0.6510) by AlliedModders LLC
050 "[ANY] Command and ConVar - Buffer Overflow Fixer" (2.5) by SilverShot and Peace-Maker
051 "[L4D1 & L4D2] Incapped Pills Pop" (2.6) by AtomicStryker (Fork by Dragokas)
052 "[L4D & L4D2] Explosive Barrel" (1.
by SilverShot
053 "Martial Artist" (1.1) by Cookie!, remake from Perkmod2
054 "[L4D1/2] Limited Ammo Piles" (1.3) by Thraka, HarryPotter
055 "Admin Menu" (1.10.0.6510) by AlliedModders LLC
056 "Default Primary Weapon" (1.5) by Cookie!
057 "[L4D/L4D2] Infected Bots (Coop/Versus/Realism/Scavenge/Survival)" (2.5.6) by djromero (SkyDavid), MI 5, Harry Potter
058 "PlayerAddCountryTag" (2.5.0-1h) by n3wton
059 "Admin File Reader" (1.10.0.6510) by AlliedModders LLC
060 "[L4D & L4D2] Map-based Configs" (1.2) by Chi_Nai
061 "[L4D1 AND L4D2] Healing Field" (1.6) by Ernecio (Satanael)
062 "Basic Comm Control" (1.10.0.6510) by AlliedModders LLC
063 "[L4D2] Fall Scream Fix" (1.0.0) by Edison1318
064 "L4D2 Health Glows" (1.0.1) by Buster "Mr. Zero" Nielsen
065 "Tickrate Fixes" (1.0) by Sir, Griffin
066 "All4Dead" (3.4) by James Richardson (grandwazir) & HarryPotter
067 "[L4D] Health" (1.1) by JOSHE GATITO SPARTANSKII, eyeonus
068 "Basic Commands" (1.10.0.6510) by AlliedModders LLC
069 "L4D2 Gore" (1.1) by DiscoBBQ
070 "[L4D2]Character_manager" (1.4.1) by Lux, $atanic $pirit
071 "[L4D & L4D2] Left 4 DHooks Direct" (1.57) by SilverShot
072 "Upgrade Pack Fixes" (1.4) by bullet28, V10, Silvers, Harry
073 "[L4D2]Defib_Fix" (2.0.1) by Lux
074 "[L4D & L4D2] Incapped Weapons Patch" (1.13) by SilverShot
075 "Charger Power" (1.3.1) by DJ_WEST
076 "[L4D2] Fireworks Party" (1.9) by SilverShot
077 "L4D2 Spawn Uncommons" (1.0.9) by AtomicStryker
078 "[L4D2] Smart Item Selector" (1.2) by Patriot Games, based on [L4D & L4D2] Round Start Items Giver by kwski43.
079 "Sound Commands" (1.10.0.6510) by AlliedModders LLC
080 "[L4D2] Lockdown System" (4.2) by cravenge, Harry
081 "[L4D2] Wounded Commons" (1.0.0) by Mart
082 "EnhancedThrowables" (1.3) by Timocop, Lux
083 "Default Secondary Weapon" (1.6) by Cookie!
084 "[L4D/L4D2]noteam_nudging" (1.0) by Lux
085 "Melee In The Saferoom" (2.0.7) by N3wton
086 "[L4D1 & L4D2] Map Changer" (2.10) by Alex Dragokas
087 "[L4D & L4D2] Fire Glow" (1.6) by SilverShot
088 "L4D Vocalize Guard" (1.1) by Crimson - TeddyRuxpin, Harry
089 "L4D2 Realistic Reload" (0.0.1) by ghosthunterfool
090 "[L4D & L4D2] ReverseBurn and ExplosionAnnouncer" (1.2.1) by Mystik Spiral
091 "[L4D2] Weapon/Zombie Spawner" (1.3a) by Zuko & McFlurry, Zheldorg
092 "[L4D2] Scavenge Score Fix - Gascan Pouring" (2.1) by SilverShot
093 "[L4D2] Explosive Cars" (1.6) by honorcode23,Fixed: kochiurun119, HarryPotter
094 "[L4D(2)] MultiSlots Improved" (4.0) by SwiftReal, MI 5, ururu, KhMaIBQ, HarryPotter
095 "[L4D2] Scavenge Gascan Respawn" (1.0.1) by Mart
096 "[L4D2] Improved Prevent M60 Drop" (1.7) by MasterMind420, Ludastar, DeathChaos25
097 "Multiple Equipment" (3.6) by MasterMind420 & Ludastar & Pan Xiaohai & Marcus101RR
098 "LerpTracker" (1.1) by ProdigySim (archer edit) & HarryPotter
099 "[L4D2] F-18 Airstrike - No Mercy" (1.3-nm) by SilverShot
100 "[L4D2] CSM The Passing Fix" by DeathChaos25, Merudo
101 "[L4D & L4D2] ReverseBurn and ThrowableAnnouncer" (1.2) by Mystik Spiral
102 "[L4D2] CreateSurvivorBot Test" (1.0.0.0) by MicroLeo (port by Dragokas)
103 "L4D2 Riot Cop Head Shot" (1.3) by dcx2 | helped by Mr. Zero / McFlurry
104 "[L4D2] F-18 Airstrike - Triggers" (1.3-tr) by SilverShot
105 "Admin Logging" (1.1) by vIr-Dan, rewritten by Cookie!