gun shop help

[-stolka-]

the debug report error line 7 of server but the clien doesn't even dispay the name of the weapon ( for now there is only one weapon )

server

    local ammuMarker1 = createMarker(295.30, -38.15, 1000.51, "cylinder", 2,180, 180, 180, 180 ) 
  setElementInterior( ammuMarker1, 1 ) 
      
    local vehicles = {} 
      
    function spawnVeh(id, price) 
     if ( getPlayerMoney( source ) >= tonumber( price ) ) then 
     outputChatBox( tostring( id ), source ) 
     takePlayerMoney( source, tonumber( price ) ) 
     giveWeapon(source, id, 90 ) 
     end 
    end 
    addEvent("buyGunForPlayer",true) 
    addEventHandler("buyGunForPlayer", root, spawnVeh) 
      
  
function showAmmuGui(hitPlayer) 
    if hitPlayer and getElementType(hitPlayer) == "player" then 
            triggerClientEvent (hitPlayer,"showAmmuGUI",getRootElement(),hitPlayer) 
    end 
end  
addEventHandler("onMarkerHit",ammuMarker1,showAmmuGui) 
   

client

    guiWindowSetSizable( wndAmmu, false ) 
    guiWindowSetMovable( wndAmmu, false ) 
      
        guns = 
                { 
                {"m4", 500}, 
                } 
          
        gridAmmu = guiCreateGridList(0.01, 0.2, 0.99, 0.5, true, wndAmmu) 
        guiGridListAddColumn(gridAmmu, "Guns", 0.85) 
        guiGridListAddColumn(gridAmmu, "Price", 0.85) 
          
        for i,gun in ipairs(guns) do 
             row = guiGridListAddRow(gridAmmu) 
             -- 
             guiGridListSetItemText(gridAmmu, row, 1, tostring(guns[1]), false, false) 
             guiGridListSetItemData(gridAmmu, row, 1, tostring(guns[2])) 
        end 
          
    function buyGun() 
        local row, col = guiGridListGetSelectedItem(gridAmmu)   
        if (row and col and row ~= -1 and col ~= -1) then 
            local gun = tostring(guiGridListGetItemData(gridAmmu, row, 0)) 
            local price = tonumber(guiGridListGetItemData(gridAmmu, row, 1)) 
            if (( price ~= "" ) and ( gun ~= "" )) then 
                triggerServerEvent("buyGunForPlayer", localPlayer, gun, price) 
            end 
        end 
    end 
    addEventHandler("onClientGUIClick", buyGunBtn, buyGun, false) 
      
    function closeAmmuGui() 
        if (source == cancelGunBtn) then 
            guiSetVisible(wndAmmu,false) 
            showCursor(false) 
  
        end 
    end 
    addEventHandler("onClientGUIClick", cancelGunBtn, closeAmmuGui) 
        
    function showGUIp() 
        guiSetVisible(wndAmmu,true) 
        showCursor(true) 
    end 
    addEvent("showAmmuGUI",true) 
    addEventHandler("showAmmuGUI", getRootElement(), showGUIp) 

[TAPL]

    guiWindowSetSizable( wndAmmu, false ) 
    guiWindowSetMovable( wndAmmu, false ) 
      
        guns = 
                { 
                {"m4", 500}, 
                } 
          
        gridAmmu = guiCreateGridList(0.01, 0.2, 0.99, 0.5, true, wndAmmu) 
        guiGridListAddColumn(gridAmmu, "Guns", 0.85) 
        guiGridListAddColumn(gridAmmu, "Price", 0.85) 
          
        for i,gun in ipairs(guns) do 
             row = guiGridListAddRow(gridAmmu) 
             -- 
             guiGridListSetItemText(gridAmmu, row, 1, tostring(gun[1]), false, false) -- It's gun not guns. 
             -- guiGridListSetItemData(gridAmmu, row, 1, tostring(gun[2])) -- It's gun not guns and data not needed since you already have Price column. 
             guiGridListSetItemText(gridAmmu, row, 2, tostring(gun[2]), false, false) 
        end 
          
    function buyGun() 
        local row, col = guiGridListGetSelectedItem(gridAmmu)   
        if (row and col and row ~= -1 and col ~= -1) then 
            -- local gun = tostring(guiGridListGetItemData(gridAmmu, row, 0)) -- Wrong column ID and you need text not data. 
            -- local price = tonumber(guiGridListGetItemData(gridAmmu, row, 1)) -- Wrong column ID and you need text not data. 
            local gun = tostring(guiGridListGetItemText(gridAmmu, row, 1)) 
            local price = tonumber(guiGridListGetItemText(gridAmmu, row, 2)) 
            if (( price ~= "" ) and ( gun ~= "" )) then 
                triggerServerEvent("buyGunForPlayer", localPlayer, getWeaponIDFromName(gun), price) -- You need to get the weapon ID from the weapon name. 
            end 
        end 
    end 
    addEventHandler("onClientGUIClick", buyGunBtn, buyGun, false) 
      
    function closeAmmuGui() 
        if (source == cancelGunBtn) then 
            guiSetVisible(wndAmmu,false) 
            showCursor(false) 
  
        end 
    end 
    addEventHandler("onClientGUIClick", cancelGunBtn, closeAmmuGui) 
        
    function showGUIp() 
        guiSetVisible(wndAmmu,true) 
        showCursor(true) 
    end 
    addEvent("showAmmuGUI",true) 
    addEventHandler("showAmmuGUI", getRootElement(), showGUIp)