this not good working

[Park]

function mark(username,password)  
addAccount(username,password) 
for k=1,2000 do 
x,y,z = getElementPosition(source) 
x = x+1 
y= y+1 
mr = createMarker(x,y,z,"cylinder", 1.5, 255, 255, 0, 170 ) 
end 
addEventHandler("onClientMarkerHit", mr, function(source) 
setElementPosition(source,4363.75445,4865.2422,12.6)  
local myWindow = guiCreateWindow ( 0, 0, 0.5, 0.4, "Information", true )  -- create a window which has "Information" in the title bar. 
local tabPanel = guiCreateTabPanel ( 0, 0.1, 1, 1, true, myWindow )       -- create a tab panel which fills the whole window 
local tabMap = guiCreateTab( "Map Information", tabPanel )                -- create a tab named "Map Information" on 'tabPanel' 
local tabHelp = guiCreateTab( "Help", tabPanel )                          -- create another tab named "Help" on 'tabPanel' 
  
-- adds a label (text) to each tab 
guiCreateLabel(0.02, 0.04, 0.94, 0.2, "This is information about the current map", true, tabMap) 
guiCreateLabel(0.02, 0.04, 0.94, 0.92, "This is help text.", true, tabHelp) 
end) 
addEventHandler ( 'onPlayerLogin', getRootElement ( ), mark,username,password) 
  

help :'( :(

[Castillo]

This is a mess, it doesn't even make any sense.

[EstrategiaGTA]

Also you used client-side only functions and server-side only functions in a script...