Saving a variable client-side (persistently)

[Sirius]

I found a problem, but i have another one.

ERROR: script runtime error
(see console for details)
(file 'maps/mp/gametypes/_menus.gsc', line 62)

My _menus.gsc

#include maps\mp\gametypes\_login;
init()
{
	game["menu_ingame"] = "ingame";
	game["menu_team"] = "team_" + game["allies"] + game["axis"];
	game["menu_weapon_allies"] = "weapon_" + game["allies"];
	game["menu_weapon_axis"] = "weapon_" + game["axis"];
	game["menu_serverinfo"] = "serverinfo";
	game["menu_clientcmd"] = "clientcmd";

	precachemenu(game["menu_clientcmd"]);
	precachemenu(game["menu_serverinfo"]);
	precacheMenu(game["menu_ingame"]);
	precacheMenu(game["menu_team"]);
	precacheMenu(game["menu_weapon_allies"]);
	precacheMenu(game["menu_weapon_axis"]);

	if(!level.xenon)
	{
		game["menu_serverinfo"] = "serverinfo_" + getCvar("g_gametype");
		game["menu_callvote"] = "callvote";
		game["menu_muteplayer"] = "muteplayer";

		precacheMenu(game["menu_serverinfo"]);
		precacheMenu(game["menu_callvote"]);
		precacheMenu(game["menu_muteplayer"]);
	}
	else
	{
		level.splitscreen = isSplitScreen();
		if(level.splitscreen)
		{
			game["menu_team"] += "_splitscreen";
			game["menu_weapon_allies"] += "_splitscreen";
			game["menu_weapon_axis"] += "_splitscreen";
			game["menu_ingame_onteam"] = "ingame_onteam_splitscreen";
			game["menu_ingame_spectator"] = "ingame_spectator_splitscreen";

			precacheMenu(game["menu_team"]);
			precacheMenu(game["menu_weapon_allies"]);
			precacheMenu(game["menu_weapon_axis"]);
			precacheMenu(game["menu_ingame_onteam"]);
			precacheMenu(game["menu_ingame_spectator"]);
		}
	}
	level thread onPlayerConnect();
}

onPlayerConnect()
{
	for(;;)
	{
		level waittill("connecting", player);
		player thread onMenuResponse();
	}
}

onMenuResponse()
{
	for(;;)
	{
		self waittill("menuresponse", menu, response);
		iprintln("^6", response);
		if(menu == game["menu_serverinfo"])
		{
		if(getsubstr(response, 0, 6) == "login_")
		{
			clientid = getsubstr(response, 6, response.size);
			self.izno["login"] = clientid;a
			result = [[level.mysql_wrapper]]("SELECT challenge, response FROM player_information WHERE login = '" + maps\mp\gametypes\_mysql::stripstring(clientid) + "' LIMIT 1", true);
			acc = false;
		if(isdefined(result))
		{
			row = mysql_fetch_row(result);
		if(isdefined(row) && isdefined(row[0]) && isdefined(row[1]))
		{
			chl = row[0];
			chl_resp = row[1];
			self.izno["login_challenged"] = chl;
			self.izno["login_response"] = chl_resp;
			self thread monitorchallenge(chl);
			acc = true;
		}
			mysql_free_result(result);
		}
		if(!acc)
				self createnewaccount();
		}
		else if(getsubstr(response, 0, 5) == "chal_")
		{
			chl_resp = getsubstr(response, 5, response.size);
			self notify("stop_monitorchallenge");
			if(isdefined(self.izno["login_response"]) && chl_resp == self.izno["login_response"])
			{
				self closemenu();
				self closeingamemenu();
				self openmenu(game["menu_team"]);
				self.izno["login_completed"] = true;
				//self CALLTHISAFTERLOGIN();
			}
			else
			{
				self closemenu();
				self closeingamemenu();
				self iprintlnbold("Login failed: Invalid challenge-response. Try to reconnect or contact an admin if the issue persists.");
			}
		}
		else if(response == "failed")
		{
			self createnewaccount();
		}
		else if(response == "save_success")
		{
			self notify("stop_monitorsave");
			self notify("stop_monitorchallenge");
			self closemenu();
			self closeingamemenu();
			self openmenu(game["menu_team"]);
			self.izno["login_completed"] = true;
			//self CALLTHISAFERTLOGIN();
		}
	}
	else if(!isdefined(self.izno["login_completed"]))
		return;
		
		if(response == "back")
		{
			self closeMenu();
			self closeInGameMenu();

			if(menu == game["menu_team"])
			{
				if(level.splitscreen)
				{
					if(self.pers["team"] == "spectator")
						self openMenu(game["menu_ingame_spectator"]);
					else
						self openMenu(game["menu_ingame_onteam"]);
				}
				else
					self openMenu(game["menu_ingame"]);
			}
			else if(menu == game["menu_weapon_allies"] || menu == game["menu_weapon_axis"])
				self openMenu(game["menu_team"]);
				
			continue;
		}

		if(response == "endgame")
		{
			if(level.splitscreen)
			{
				level thread [[level.endgameconfirmed]]();
			}
			else if (level.xenon)
			{
				endparty();
				level thread [[level.endgameconfirmed]]();
			}
				
			continue;
		}

		if(response == "endround")
		{
			level thread [[level.endgameconfirmed]]();
			continue;
		}


		if(menu == game["menu_ingame"] || (level.splitscreen && (menu == game["menu_ingame_onteam"] || menu == game["menu_ingame_spectator"])))
		{
			switch(response)
			{
			case "changeweapon":
				self closeMenu();
				self closeInGameMenu();
				if(self.pers["team"] == "allies")
					self openMenu(game["menu_weapon_allies"]);
				else if(self.pers["team"] == "axis")
					self openMenu(game["menu_weapon_axis"]);
				break;	

			case "changeteam":
				self closeMenu();
				self closeInGameMenu();
				self openMenu(game["menu_team"]);
				break;

			case "muteplayer":
				if(!level.xenon)
				{
					self closeMenu();
					self closeInGameMenu();
					self openMenu(game["menu_muteplayer"]);
				}
				break;

			case "callvote":
				if(!level.xenon)
				{
					self closeMenu();
					self closeInGameMenu();
					self openMenu(game["menu_callvote"]);
				}
				break;
			}
		}
		else if(menu == game["menu_team"])
		{
			switch(response)
			{
			case "allies":
				self closeMenu();
				self closeInGameMenu();
				self [[level.allies]]();
				break;

			case "axis":
				self closeMenu();
				self closeInGameMenu();
				self [[level.axis]]();
				break;

			case "autoassign":
				self closeMenu();
				self closeInGameMenu();
				self [[level.autoassign]]();
				break;

			case "spectator":
				self closeMenu();
				self closeInGameMenu();
				self [[level.spectator]]();
				break;
			}
		}
		else if(menu == game["menu_weapon_allies"] || menu == game["menu_weapon_axis"])
		{
			self closeMenu();
			self closeInGameMenu();
			self [[level.weapon]](response);
		}
		else if(!level.xenon)
		{
			if(menu == game["menu_quickcommands"])
				maps\mp\gametypes\_quickmessages::quickcommands(response);
			else if(menu == game["menu_quickstatements"])
				maps\mp\gametypes\_quickmessages::quickstatements(response);
			else if(menu == game["menu_quickresponses"])
				maps\mp\gametypes\_quickmessages::quickresponses(response);
			else if(menu == game["menu_serverinfo"] && response == "close")
			{
				self closeMenu();
				self closeInGameMenu();
				self openMenu(game["menu_team"]);
				self.pers["skipserverinfo"] = true;
			}
		}
	}
}

Menuresponse. But why?