MTA Race LT-Script freeze Fehler

DestructionDerby = setmetatable({}, RaceMode)
DestructionDerby.__index = DestructionDerby

DestructionDerby:register('Destruction derby')

function DestructionDerby:isApplicable()
return not RaceMode.checkpointsExist() and RaceMode.getMapOption('respawn') == 'none'
end

function DestructionDerby:getPlayerRank(player)
return #getActivePlayers()
end

-- Copy of old updateRank
function DestructionDerby:updateRanks()
for i,player in ipairs(g_Players) do
if not isPlayerFinished(player) then
local rank = self:getPlayerRank(player)
if not rank or rank > 0 then
setElementData(player, 'race rank', rank)
end
end
end
-- Make text look good at the start
if not self.running then
for i,player in ipairs(g_Players) do
setElementData(player, 'race rank', '' )
setElementData(player, 'checkpoint', '' )
end
end
end

function DestructionDerby:onPlayerWasted(player)
if isActivePlayer(player) then
self:handleFinishActivePlayer(player)
if getActivePlayerCount() <= 0 then
RaceMode.endMap()
else
TimerManager.createTimerFor("map",player):setTimer(clientCall, 2000, 1, player, 'Spectate.start', 'auto')
end
end
RaceMode.setPlayerIsFinished(player)
showBlipsAttachedTo(player, false)
end

function DestructionDerby:onPlayerQuit(player)
if isActivePlayer(player) then
self:handleFinishActivePlayer(player)
if getActivePlayerCount() <= 0 then
RaceMode.endMap()
end
end
end

function DestructionDerby:handleFinishActivePlayer(player)
-- Update ranking board for player being removed
if not self.rankingBoard then
self.rankingBoard = RankingBoard:create()
self.rankingBoard:setDirection( 'up', getActivePlayerCount() )
end
local timePassed = self:getTimePassed()
self.rankingBoard:add(player, timePassed)
-- Do remove
finishActivePlayer(player)
-- Update ranking board if one player left
local activePlayers = getActivePlayers()
if #activePlayers == 1 then
self.rankingBoard:add(activePlayers[1], timePassed)
showMessage(getPlayerName(activePlayers[1]) .. ' winner!', 30, 144, 255)
end
end

------------------------------------------------------------
-- activePlayerList stuff
--

function isActivePlayer( player )
return table.find( g_CurrentRaceMode.activePlayerList, player )
end

function addActivePlayer( player )
table.insertUnique( g_CurrentRaceMode.activePlayerList, player )
end

function removeActivePlayer( player )
table.removevalue( g_CurrentRaceMode.activePlayerList, player )
end

function finishActivePlayer( player )
table.removevalue( g_CurrentRaceMode.activePlayerList, player )
table.insertUnique( g_CurrentRaceMode.finishedPlayerList, _getPlayerName(player) )
end

function getFinishedPlayerCount()
return #g_CurrentRaceMode.finishedPlayerList
end

function getActivePlayerCount()
return #g_CurrentRaceMode.activePlayerList
end

function getActivePlayers()
return g_CurrentRaceMode.activePlayerList
end