attampt to call global "getPlayerAccount(a nil value)

--[[function out( string )
	outputDebugString( string )
end]]


function centerWindow(center_window)
	local screenW,screenH=guiGetScreenSize()
	local windowW,windowH=guiGetSize(center_window,false)
	local x,y = (screenW-windowW)/2,(screenH-windowH)/2
	guiSetPosition(center_window,x,y,false)
end


addEventHandler( 'onClientResourceStart', resourceRoot,
	function( )
		aWindow = guiCreateWindow(0.23, 0.14, 0.56, 0.63, 'Last Login', true)
		guiSetVisible( aWindow, false )
		centerWindow( aWindow )
		guiWindowSetSizable( aWindow, true )
		aGridlist = guiCreateGridList( 12, 25, 425, 319, false, aWindow )
		guiGridListSetSortingEnabled( aGridlist, false )
		guiGridListAddColumn( aGridlist, 'Account name', 0.4)
		guiGridListAddColumn( aGridlist, 'Data', 0.5)
		guiSetAlpha( aGridlist, .8 )
		aButton = guiCreateButton(10, 349, 114, 20, 'Refresh list', false, aWindow )
		setElementData( aButton, 'aButton', aButton )
		addEventHandler( 'onClientGUIClick', aButton, aRefreshList, false )
		guiSetFont( aButton, 'default-bold-small' )
		guiSetProperty( aButton, 'NormalTextColour', 'FFAAAAAA')
		aLabel = guiCreateLabel(243, 349, 197, 15, 'Time now is: 0-0-0 00:00', false, aWindow)
		guiSetFont( aLabel, 'default-bold-small' )
		guiSetFont( aGridlist, 'default-bold-small' )
	end
)


function setTimeNow( )
	local time = getRealTime( )
	guiSetText( aLabel,
		string.format(
			'%04d-%02d-%02d %02d:%02d:%02d',
			time.year + 1900,
			time.month + 1,
			time.monthday,
			time.hour,
			time.minute,
			time.second
		) 
	)
end
setTimer ( setTimeNow, 1000, 0 )
--addEventHandler( 'onClientRender', getRootElement( ), setTimeNow )


function getTimeNow( )
	local time = getRealTime( )
	return string.format(
		'%04d-%02d-%02d %02d:%02d',
		time.year + 1900,
		time.month + 1,
		time.monthday,
		time.hour,
		time.minute 
	)
end


function aRefreshList( )
	guiSetEnabled( getElementData( aButton, 'aButton' ) , false )
	guiGridListClear( aGridlist )
	triggerServerEvent( 'aButtonRefresh', getLocalPlayer( ) )
	setTimer( guiSetEnabled, 4000, 1, getElementData( aButton, 'aButton'), true )
end


aSerials = 
{
	[ '3460396978F17FE72B94034FBBA02542' ] = true ; 
}


function aOpenWin(player)
	for _, group in ipairs ({"Admin", "Owner","Superadmin"}) do
	local accountName = getAccountName(getPlayerAccount(player)) --hier ist der error
	if isObjectInACLGroup ( "user.".. accountName, aclGetGroup ( group ) ) then
	guiSetVisible( aWindow, not guiGetVisible( aWindow ) )
	showCursor( not isCursorShowing( ) )
	aRefreshList( )
	end	
  end
end
addCommandHandler("adminlogs", aOpenWin) 


function getDataTime( aTime )
	if ( aTime ~= 'online' ) then
		local aYear, aMonth, aDay, _, _ = string.match( aTime, '^(.-)-(.-)-(.-) (.-):(.-)$' )
		local aYear1, aMonth1, aDay1, _, _ = string.match( getTimeNow( ), '^(.-)-(.-)-(.-) (.-):(.-)$' )
		if ( aYear1 == aYear ) then
			if ( aMonth == aMonth1 ) and ( aDay == aDay1 ) then
				return 'Today'
			elseif ( aMonth == aMonth1 ) and ( aDay ~= aDay1 ) then
				local fDay = string.format( '%02d', ( aDay + 1 ) )
				if ( fDay == aDay1 ) then
					return 'Yesterday'
				elseif ( aMonth == aMonth1 ) and ( aDay ~= aDay1 ) then
					local gDay = ( aDay1 - aDay )
					return math.abs( gDay ).. ' Days ago'
				end
			elseif ( aMonth ~= aMonth1 ) then
				return 'months ago'
			end	
		end
		return 'Years ago'
	end
	return ' '
end


function onGetAllData( gName, gData, nOnline, nOfline, iR, iG, iB )
	local aRow = guiGridListAddRow( aGridlist )
	guiGridListSetItemText( aGridlist, aRow, 1, gName, false, false )
	guiGridListSetItemText( aGridlist, aRow, 2, gData .. ' (' .. getDataTime( gData ) .. ') ', false, false )
	guiGridListSetItemColor( aGridlist, aRow, 2, iR, iG, iB )
	guiSetText( aWindow, ' Online ' .. nOnline .. ' / ' .. nOfline .. ' Otherwise ' )
end
addEvent( 'onGetAllData', true )
addEventHandler( 'onGetAllData', getLocalPlayer( ), onGetAllData )