Beastmaster Script Lua (Not Working)

local NPCID = 41001

function Warrior_error(pUnit, event, pPlayer)
    if (GetPlayerClass() == "Warrior") then
        pPlayer:SendBroadcastMessage("You are not a hunter!")
        pPlayer:GossipComplete()
    end
end

function Paladin_error(pUnit, event, pPlayer)
    if (GetPlayerClass() == "Paladin") then
        pPlayer:SendBroadcastMessage("You are not a hunter!")
        pPlayer:GossipComplete()
    end
end

function Rogue_error(pUnit, event, pPlayer)
    if (GetPlayerClass() == "Rogue") then
        pPlayer:SendBroadcastMessage("You are not a hunter!")
        pPlayer:GossipComplete()
    end
end

function Priest_error(pUnit, event, pPlayer)
    if (GetPlayerClass() == "Priest") then
        pPlayer:SendBroadcastMessage("You are not a hunter!")
        pPlayer:GossipComplete()
    end
end

function Death_Knight_error(pUnit, event, pPlayer)
    if (GetPlayerClass() == "Death Knight") then
        pPlayer:SendBroadcastMessage("You are not a hunter!")
        pPlayer:GossipComplete()
    end
end

function Shaman_error(pUnit, event, pPlayer)
    if (GetPlayerClass() == "Shaman") then
        pPlayer:SendBroadcastMessage("You are not a hunter!")
        pPlayer:GossipComplete()
    end
end

function Mage_error(pUnit, event, pPlayer)
    if (GetPlayerClass() == "Mage") then
        pPlayer:SendBroadcastMessage("You are not a hunter!")
        pPlayer:GossipComplete()
    end
end

function Warlock_error(pUnit, event, pPlayer)
    if (GetPlayerClass() == "Warlock") then
        pPlayer:SendBroadcastMessage("You are not a hunter!")
        pPlayer:GossipComplete()
    end
end

function Druid_error(pUnit, event, pPlayer)
    if (GetPlayerClass() == "Druid") then
        pPlayer:SendBroadcastMessage("You are not a hunter!")
        pPlayer:GossipComplete()
    end
end

function Hunter_succeed(pUnit, event, pPlayer, id, intid, code)
    if (GetPlayerClass() == "Hunter") then
        pUnit:GossipCreateMenu(16000, pPlayer, 0)
        pUnit:GossipMenuAddItem(4, "Cunning", 1, 0)
        pUnit:GossipMenuAddItem(4, "Ferocity", 2, 0)
        pUnit:GossipMenuAddItem(4, "Tenacity", 3, 0)
        pUnit:GossipSendMenu(pPlayer)
    end
end

function hunterpets_submenu(pUnit, event, pPlayer, id, intid, code)
    if(intid == 1) then
        pUnit:GossipCreateMenu(16000, pPlayer, 0)
        pUnit:GossipMenuAddItem(3, "Bat", 4, 0)
        pUnit:GossipMenuAddItem(3, "Bird of Prey", 5, 0)
        pUnit:GossipMenuAddItem(3, "Dragonhawk", 6, 0)
        pUnit:GossipMenuAddItem(3, "Ravager", 7, 0)
        pUnit:GossipMenuAddItem(3, "Serpent", 8, 0)
        pUnit:GossipMenuAddItem(3, "Spider", 9, 0)
        pUnit:GossipMenuAddItem(3, "Wind Serpent", 10, 0)
        pUnit:GossipSendMenu(pPlayer)
    end
    if(intid == 2) then
        pUnit:GossipCreateMenu(16000, pPlayer, 0)
        pUnit:GossipMenuAddItem(3, "Carrion Bird", 11, 0)
        pUnit:GossipMenuAddItem(3, "Cat", 12, 0)
        pUnit:GossipMenuAddItem(3, "Hound", 13, 0)
        pUnit:GossipMenuAddItem(3, "Hyena", 14, 0)
        pUnit:GossipMenuAddItem(3, "Moth", 15, 0)
        pUnit:GossipMenuAddItem(3, "Raptor", 16, 0)
        pUnit:GossipMenuAddItem(3, "Tallstrider", 17, 0)
        pUnit:GossipMenuAddItem(3, "Wolf", 18, 0)
        pUnit:GossipSendMenu(pPlayer)
    end
    if(intid == 3) then
        pUnit:GossipCreateMenu(16000, pPlayer, 0)
        pUnit:GossipMenuAddItem(3, "Basilisk", 19, 0)
        pUnit:GossipMenuAddItem(3, "Bear", 20, 0)
        pUnit:GossipMenuAddItem(3, "Boar", 21, 0)
        pUnit:GossipMenuAddItem(3, "Crab", 22, 0)
        pUnit:GossipMenuAddItem(3, "Crocolisk", 23, 0)
        pUnit:GossipMenuAddItem(3, "Scorpid", 24, 0)
        pUnit:GossipMenuAddItem(3, "Turtle", 25, 0)
        pUnit:GossipSendMenu(pPlayer)
    end
end

RegisterUnitGossipEvent(41001, 1, "Warrior_error")
RegisterUnitGossipEvent(41001, 2, "Paladin_error")
RegisterUnitGossipEvent(41001, 3, "Rogue_error")
RegisterUnitGossipEvent(41001, 4, "Priest_error")
RegisterUnitGossipEvent(41001, 5, "Death_Knight_error")
RegisterUnitGossipEvent(41001, 6, "Shaman_error")
RegisterUnitGossipEvent(41001, 7, "Mage_error")
RegisterUnitGossipEvent(41001, 8, "Warlock_error")
RegisterUnitGossipEvent(41001, 9, "Druid_error")
RegisterUnitGossipEvent(41001, 10, "Hunter_succeed")
RegisterUnitGossipEvent(41001, 11, "hunterpets_submenu")