AlliedModders - [TF2]How to Team Player Limit?

Give me a sec, I want try to do this.

This doesn't work. And, well, almost everything is done. But I'm too lazy the found why it actually doesn't...
Spoiler
PHP Code:

		
			
#include <sourcemod>
#include <morecolors>
#include <tf2>
#include <tf2_stocks>

new Handle:CVAR_plugin_stat;
new Handle:CVAR_limit_t1;
new Handle:CVAR_limit_t2;

/*
    NOTE :
    0 = teamless (as for most of games)
    1 = spectators (as for most of games)
    2 = terrorists/RED/?
    3 = CT/BLU/?
    
    Thanks RedSword ! http://docs.sourcemod.net/api/index.php?fastload=show&id=411&
*/
    
public Plugin:myinfo =
{
    name = "Team Limiter",
    author = "Arkarr",
    description    = "Allow to set a max limit of player in each team.",
    version = "1.0",
    url = "http://www.sourcemod.net"
};

public OnPluginStart()
{
    CVAR_plugin_stat = CreateConVar("sm_TL_playerlimit_enabled", "1", "Enable or disable plugin. VALUE : 1 = ENABLED 0 = DISABLED");
    CVAR_limit_t1 = CreateConVar("sm_TL_playerlimit_team_1", "0", "Maxium player(s) in team 1. NOTE: team 1 include Terrorists/RED/?");
    CVAR_limit_t2 = CreateConVar("sm_TL_playerlimit_team_2", "32", "Maxium player(s) in team 2. NOTE: team 2 include CounterTerrorists/BLU/?");
    
    HookEvent("player_team", Event_PlayerTeam);
}

public Action:Event_PlayerTeam(Handle:event, const String:name[], bool:dontBroadcast)
{
    new client = GetClientOfUserId(GetEventInt(event, "userid"));
    
    if(!IsValidClient(client))
    {
        return Plugin_Handled;
    }
    
    if(GetConVarInt(CVAR_plugin_stat) <= 0)
    {
        return Plugin_Continue;
    }
    
    new nbr_player = 0;
    new max_player_team = 0;
    new selected_team = 0;
    new old_team = 0;
    
    //selected_team = GetClientTeam(client);
    selected_team = GetEventInt(event, "team");
    old_team = GetEventInt(event, "oldteam");
    
    if(selected_team == 2 || selected_team == 3)
    {
        nbr_player = GetTeamClientCount(selected_team);
        if(selected_team == 2)
        {
            max_player_team = GetConVarInt(CVAR_limit_t1);
        }
        else
        {
            max_player_team = GetConVarInt(CVAR_limit_t2);
        }
    }
    else
    {
        return Plugin_Continue;
    }
    
    //PrintToChatAll("number of player in selected team : %i", nbr_player);
    
    if(nbr_player >= max_player_team)
    {
        CPrintToChat(client, "{fullred}[TeamLimiter]{default} Sorry, you can't join this team now.");
        ChangeClientTeam(client, old_team);
        ForcePlayerSuicide(client);
    }

    return Plugin_Continue;
}

stock bool:IsValidClient(client)
{
    if(client <= 0 ) return false;
    if(client > MaxClients) return false;
    if(!IsClientConnected(client)) return false;
    return IsClientInGame(client);
}