[Quickie]

its not a bug
its just a coding mistakes
you can fix that with this

pawn Код:

public OnPlayerCommandText(playerid, cmdtext[])
{
    if(!strcmp(cmdtext, "/Timer", true))
    {
        if(Connect[playerid])
        {
            KillTimer(Connect[playerid]);
            Connect[playerid]=0;
        }
        Connect[playerid] = SetTimerEx("Test", 1000, true, "i", playerid);
        return 1;
    }
    if(!strcmp(cmdtext, "/Killer", true))
    {
        if(Connect[playerid])
        {
            KillTimer(Connect[playerid]);
            Connect[playerid]=0;
        }
        return 1;
    }
    return 0;
}