errors

#define FILTERSCRIPT

#include <a_samp>

#if defined FILTERSCRIPT
#endif
enum Info
{
   AdminLevel,
}
new muted[MAX_PLAYERS];
new MGCount[MAX_PLAYERS];
new ChatMGTime[MAX_PLAYERS][3];
#define AutoUnmuteTime 2 //You can adjust this (2 minutes)
new PlayerInfo[MAX_PLAYERS][Info];
new MG [] = //You can add more symbols, characters in here
{
    "PG",
    "MG",
    "RK",
    "admin",
    "id",
    "hack",
    "bug",
    "SK",
    "BK"
};
public OnPlayerText(playerid, text[])
{
        for(new i = 0; i < sizeof(MG); i++)
    {
       if(strfind(text, MG[i], true) != -1 && IsPlayerAdmin(playerid) || PlayerInfo[playerid][AdminLevel] == 0)
        {
            AntiMG(playerid);
            muted[playerid] = 1;
            SendClientMessage(playerid, -1, "Meta Gaming! If you MG three times you will be kick");
            return 0;
        }
    }

        if(muted[playerid] == 1)
        {
            SendClientMessage(playerid, 0xFF0000FF, "You have been muted!");
            return 0;
        }

        return 1;

}

stock AntiMG(playerid)
{
    MGCount[playerid]++;
    switch (MGCount[playerid])
    {
        case 1:
        {
            ChatMGTime[playerid][0]=gettime();
        }
        case 2:
        {
            if((gettime()-ChatMGTime[playerid][0])<30)
            {
                SendClientMessage(playerid,0xFF0000FF,"You have received a warning (1/3)! (Reason: MG)");
                ChatMGTime[playerid][1]=gettime();
            }
            else MGCount[playerid]=0;
        }
        case 3:
        {
            if((gettime()-ChatMGTime[playerid][1])<30)
            {
                SendClientMessage(playerid,0xFF0000FF,"You have received a warning (2/3)! (Reason: Spam)");
                ChatMGTime[playerid][2]=gettime();
            }
            else MGCount[playerid]=0;
        }
        case 4..50:
        {
            new string[128],name[24];
            GetPlayerName(playerid,name,24);
            if((gettime()-ChatMGTime[playerid][2])<30)
            {
                format(string,sizeof(string),"Player %s has been muted for 2 minutes! (Reason: Spam!)",name);
                SendClientMessageToAll(0xFF0000FF,string);
                SendClientMessage(playerid,0xFF0000FF,"You have received your final warning (3/3)! (Reason: Spam)");
                muted[playerid]=1;
                SetTimerEx("AutoUnMute",AutoUnmuteTime*60000,false,"i",playerid);
            }
        }
    }
    return 1;
}
public OnPlayerConnect(playerid)
{
    MGCount[playerid]=0;
    muted[playerid]=0;
    return 1;
}

forward AutoUnMute(pID);
public AutoUnMute(pID)
{
    muted[pID] = 0;
    MGCount[pID]=0;
    SendClientMessage(pID, 0xFF0000FF, "You have been unmuted automatically!");
    return 1;
}