Sounds very likely.
Post your add-on list please.
$AddOn__Ai_ZombieModePlus = 1;
$AddOn__Brick_10x = 1;
$AddOn__Brick_15xSet = 1;
$AddOn__Brick_18Degree = 1;
$AddOn__Brick_1RandomPack = 1;
$AddOn__Brick_1x14plate = 1;
$AddOn__Brick_1x1_2side_print = 1;
$AddOn__Brick_20x_Height = 1;
$AddOn__Brick_2x2FRoundPrint = 1;
$AddOn__Brick_2x2x1print = 1;
$AddOn__Brick_2x_Cube = 1;
$AddOn__Brick_32x64 = 1;
$AddOn__Brick_32x_Base_variations = 1;
$AddOn__Brick_3Pack = 1;
$AddOn__Brick_4x4f_Print = 1;
$AddOn__Brick_4x4f_PrintPlate = 1;
$AddOn__Brick_4x4fPrintPlateC = 1;
$AddOn__Brick_4x4Round = 1;
$AddOn__Brick_6x_Cubes = 1;
$AddOn__Brick_6xSet = 1;
$AddOn__Brick_6xWidth = 1;
$AddOn__Brick_8x = 1;
$AddOn__Brick_8xHeight = 1;
$AddOn__Brick_9Pack = 1;
$AddOn__Brick_AntiPortal = 1;
$AddOn__Brick_AntiPortalCubes = 1;
$AddOn__Brick_Arch = 1;
$AddOn__Brick_BaseplatePack = 1;
$AddOn__Brick_BlackDragonIV = 1;
$AddOn__Brick_BlackDragonIV_Filler = 1;
$AddOn__Brick_Checkpoint = 1;
$AddOn__Brick_ColoredWindows = 1;
$AddOn__Brick_Corner = 1;
$AddOn__Brick_CubeFill = 1;
$AddOn__Brick_DecorativeBlocks = 1;
$AddOn__Brick_Deletion = 1;
$AddOn__Brick_DemiansBB = 1;
$AddOn__Brick_DemiansBB2 = 1;
$AddOn__Brick_DemiansBB3 = 1;
$AddOn__Brick_Diagonal_Water = 1;
$AddOn__Brick_Dr = 1;
$AddOn__Brick_Essentials = 1;
$AddOn__Brick_ExtraRamps = 1;
$AddOn__Brick_Fence = 1;
$AddOn__Brick_Fraction_Cubes = 1;
$AddOn__Brick_GrillPlate = 1;
$AddOn__Brick_Halfbrick = 1;
$AddOn__Brick_HollowCubeSet = 1;
$AddOn__Brick_InvertedCorners = 1;
$AddOn__Brick_jbskier13 = 1;
$AddOn__Brick_Jirue = 1;
$AddOn__Brick_Large_Cubes = 1;
$AddOn__Brick_LongRangeMusic = 1;
$AddOn__Brick_MoreRounds = 1;
$AddOn__Brick_MoreWater = 1;
$AddOn__Brick_MrBob00 = 1;
$AddOn__Brick_NewWater = 1;
$AddOn__Brick_Other_Bricks = 1;
$AddOn__Brick_Pit10xHeight = 1;
$AddOn__Brick_Pole = 1;
$AddOn__Brick_Portal = 1;
$AddOn__Brick_Print_Icons = 1;
$AddOn__Brick_PrintBaseplates = 1;
$AddOn__Brick_PrintCubes = 1;
$AddOn__Brick_PrintPlates = 1;
$AddOn__Brick_PrintPlatesCeiling = 1;
$AddOn__Brick_Ramp_Prints = 1;
$AddOn__Brick_Road_Plates = 1;
$AddOn__Brick_Round_Corners = 1;
$AddOn__Brick_Sgt_Gary = 1;
$AddOn__Brick_ShortRangeMusic = 1;
$AddOn__Brick_SmallVehicleSpawn = 1;
$AddOn__Brick_Spike = 1;
$AddOn__Brick_SUPERwalls = 1;
$AddOn__Brick_Tiles = 1;
$AddOn__Brick_TinyWindows = 1;
$AddOn__Brick_Annoying Orangeetfans = 1;
$AddOn__Brick_V15 = 1;
$AddOn__Brick_WaterPack = 1;
$AddOn__Brick_Wedge = 1;
$AddOn__Brick_Window = 1;
$AddOn__Brick_Window_Prints = 1;
$AddOn__Brick_Windows = 1;
$AddOn__Brick_Zones = 1;
$AddOn__Content_Chrisbot6Doors = 1;
$AddOn__Content_DaleksDoors = 1;
$AddOn__Content_Kyle = 1;
$AddOn__Content_PackerDoors = 1;
$AddOn__Content_Phydeoux = 1;
$AddOn__Content_PhydeouxMedieval = 1;
$AddOn__Content_ZonearkWindows = 1;
$AddOn__Emote_Alarm = 1;
$AddOn__Emote_Confusion = 1;
$AddOn__Emote_Critical = 1;
$AddOn__Emote_Hate = 1;
$AddOn__Emote_Love = 1;
$AddOn__Emote_Pee = -1;
$AddOn__Event_addItems = 1;
$AddOn__Event_Bots = 1;
$AddOn__Event_Camera = 1;
$AddOn__Event_Database = 1;
$AddOn__Event_EffingMagnets = 1;
$AddOn__Event_ItemSaving = 1;
$AddOn__Event_Kick = 1;
$AddOn__Event_MessageBoxOK = 1;
$AddOn__Event_Passwords = 1;
$AddOn__Event_PathCam = 1;
$AddOn__Event_PromptEvents = 1;
$AddOn__Event_setDamageFlash = 1;
$AddOn__Event_setPlayerCoordinatesss = 1;
$AddOn__Event_setPlayerTransform = 1;
$AddOn__Event_VariableReplacers = 1;
$AddOn__Event_Variables = 1;
$AddOn__Event_Zones = 1;
$AddOn__Gamemode_CaptureTheFlag = 1;
$AddOn__Gamemode_TeamDeathmatch = 1;
$AddOn__Gamemode_Zombie = 1;
$AddOn__Item_Cola = 1;
$AddOn__Item_InvisibilityWatch = 1;
$AddOn__Item_Key = 1;
$AddOn__Item_Keycard = 1;
$AddOn__Item_Medpack = 1;
$AddOn__Item_PillBottle = 1;
$AddOn__Item_PipeWrench = 1;
$AddOn__Item_Skis = 1;
$AddOn__Item_Sprite = 1;
$AddOn__JVS_Bushido1 = 1;
$AddOn__JVS_Content = 1;
$AddOn__JVS_DoorsPack0 = 1;
$AddOn__JVS_DoorsPack1 = 1;
$AddOn__JVS_DoorsPack2 = 1;
$AddOn__JVS_PlungerSwitch = 1;
$AddOn__JVS_SwitchesPack1 = 1;
$AddOn__JVS_SwitchesPack2 = 1;
$AddOn__JVS_TheLegendsDoors = 1;
$AddOn__Light_Animated = 1;
$AddOn__Light_Basic = 1;
$AddOn__Particle_Basic = 1;
$AddOn__Particle_FX_Cans = 1;
$AddOn__Particle_Grass = 1;
$AddOn__Particle_Player = 1;
$AddOn__Particle_Tools = 1;
$AddOn__Player_Fuel_Jet = 1;
$AddOn__Player_Jump_Jet = 1;
$AddOn__Player_Leap_Jet = 1;
$AddOn__Player_No_Jet = 1;
$AddOn__Player_PBody = 1;
$AddOn__Player_Quake = 1;
$AddOn__Print_1x2f_BLPRemote = 1;
$AddOn__Print_1x2f_Default = 1;
$AddOn__Print_2x2f_Default = 1;
$AddOn__Print_2x2r_Default = 1;
$AddOn__Print_2x2r_Monitor3 = 1;
$AddOn__Print_Letters_Default = 1;
$AddOn__Projectile_GravityRocket = 1;
$AddOn__Projectile_Pinball = 1;
$AddOn__Projectile_Pong = 1;
$AddOn__Projectile_Radio_Wave = 1;
$AddOn__Script_Classes = 1;
$AddOn__Script_ClearSpam = 1;
$AddOn__script_eventsPlus = 1;
$AddOn__Script_IPLog = 1;
$AddOn__Script_Moderator = 1;
$AddOn__Script_VehicleStereo = 1;
$AddOn__Server_AutoAnnounce = 1;
$AddOn__Server_BloodAndGore = 1;
$AddOn__Server_Boundary = 1;
$AddOn__Server_DedicatedMinigame = 1;
$AddOn__Server_DefaultMinigame = 1;
$AddOn__Server_Elevators = 1;
$AddOn__server_ListClients = 1;
$AddOn__Server_LogWriter = 1;
$AddOn__Server_RecoverVehicles = 1;
$AddOn__Server_Rules = 1;
$AddOn__Server_TorqueWebServer = 1;
$AddOn__Server_Weather = 1;
$AddOn__Sound_Beeps = 1;
$AddOn__Sound_Door_Sounds = 1;
$AddOn__Sound_Phone = 1;
$AddOn__Sound_Synth4 = 1;
$AddOn__Support_HeightControl = 1;
$AddOn__System_ReturnToBlockland = 1;
$AddOn__Tool_Banhammer = 1;
$AddOn__Tool_Blowtorch = 1;
$AddOn__Tool_Duplicator = 1;
$AddOn__Tool_Fill_Can = 1;
$AddOn__Vehicle_Apache = 1;
$AddOn__Vehicle_Ball = 1;
$AddOn__Vehicle_Blackhawk = 1;
$AddOn__Vehicle_BlockoSedan = 1;
$AddOn__Vehicle_Covered_Wagon = 1;
$AddOn__Vehicle_FighterJet = 1;
$AddOn__Vehicle_Flying_Wheeled_Jeep = 1;
$AddOn__Vehicle_Horse = 1;
$AddOn__Vehicle_Jeep = 1;
$AddOn__Vehicle_Magic_Carpet = 1;
$AddOn__Vehicle_PassengerJet = 1;
$AddOn__Vehicle_Pirate_Cannon = 1;
$AddOn__Vehicle_Rowboat = 1;
$AddOn__Vehicle_Stunt_Plane = 1;
$AddOn__Vehicle_SUVPickup = 1;
$AddOn__Vehicle_Tank = 1;
$AddOn__Vehicle_Train_Box = 1;
$AddOn__Vehicle_UH1 = 1;
$AddOn__Weapon_BFlamethrower = 1;
$AddOn__Weapon_Bow = 1;
$AddOn__Weapon_ButterflyKnife = 1;
$AddOn__Weapon_C4Explosive = 1;
$AddOn__Weapon_Chainsaw = 1;
$AddOn__Weapon_DoomBlades = 1;
$AddOn__Weapon_FlakCannon = 1;
$AddOn__Weapon_FlashGrenade = 1;
$AddOn__Weapon_GCatsFirearms = 1;
$AddOn__Weapon_Gun = 1;
$AddOn__Weapon_Guns_Akimbo = 1;
$AddOn__Weapon_HEGrenade = 1;
$AddOn__Weapon_Horse_Ray = 1;
$AddOn__Weapon_Loz_Hookshot = 1;
$AddOn__Weapon_Melee_Extended = 1;
$AddOn__Weapon_Molotovroostertail = 1;
$AddOn__Weapon_OldSchoolRifleFix = 1;
$AddOn__Weapon_Package_Explosive1 = 1;
$AddOn__Weapon_Package_Explosive2 = 1;
$AddOn__Weapon_Package_Tier1 = 1;
$AddOn__Weapon_Package_Tier1A = 1;
$AddOn__Weapon_Package_Tier2 = 1;
$AddOn__Weapon_Package_Tier2A = 1;
$AddOn__Weapon_PortalGun = 1;
$AddOn__Weapon_Push_Broom = 1;
$AddOn__Weapon_Rocket_Launcher = 1;
$AddOn__Weapon_RYNO_V = 1;
$AddOn__Weapon_Skins_Dualies = 1;
$AddOn__Weapon_Skins_Magnum = 1;
$AddOn__Weapon_Skins_Pistol = 1;
$AddOn__Weapon_Skins_Rifles = 1;
$AddOn__Weapon_Skins_RiflesT2 = 1;
$AddOn__Weapon_Skins_Shotgun = 1;
$AddOn__Weapon_Skins_ShotgunT2 = 1;
$AddOn__Weapon_Skins_SMG = 1;
$AddOn__Weapon_Skins_Sniper = 1;
$AddOn__Weapon_Spear = 1;
$AddOn__Weapon_Sword = 1;
