help plz

[pepsi18]

ERROR: join/login.lua:5: attempt to concatenate local ´country´

what its the problem

  
function login() 
    local country = call(getResourceFromName("admin"), "getPlayerCountry", source) 
    if isObjectInACLGroup("user." .. getAccountName(getPlayerAccount(source)), aclGetGroup("Everyone")) then 
    outputChatBox("* " .. getPlayerName(source) .. "   #a5d9f2^(" .. getAccountName(getPlayerAccount(source)) ..  ") #ffffff Se a conectado .  ["..country.."]" , getRootElement(), 255,255,255, true) 
  end 
end 
addEventHandler("onPlayerLogin", getRootElement(), login) 

[Castillo]

function login ( _, account ) 
    local country = ( exports [ "admin" ]:getPlayerCountry ( source ) or "Unknown" ) 
    if isObjectInACLGroup ( "user.".. getAccountName ( account ), aclGetGroup ( "Everyone" ) ) then 
        outputChatBox( "* ".. getPlayerName ( source ) .."   #a5d9f2^(".. getAccountName ( account ) ..") #ffffff Se a conectado .  [".. tostring ( country ) .."]" , getRootElement(), 255,255,255, true ) 
    end 
end 
addEventHandler ( "onPlayerLogin", getRootElement(), login ) 

[Tomas]

The admin panel does not define all countries, for example if you enter from Uruguay announces that mistake.