Подредактируйте chatmanager.sma

    #if defined FUNCTION_ALL_CHAT
    new players[32], players_num; get_players(players, players_num, "ch");
    new player, is_player_alive, CsTeams:player_team, player_flags;
    
    for(new i; i < players_num; i++)
    {
        player = players[i];
        
        if(player == id) continue;
        
        is_player_alive = is_user_alive(player);
        player_team = cs_get_user_team(player);
        player_flags = get_user_flags(player) & ADMIN_FLAG ? ADMIN_CHAT_FLAGS : PLAYER_CHAT_FLAGS;
        
        if(player_flags & ALIVE_SEE_DEAD && !is_sender_alive && is_player_alive && (!is_team_msg || is_team_msg && sender_team == player_team) //flag ALIVE_SEE_DEAD
        || player_flags & DEAD_SEE_ALIVE && is_sender_alive && !is_player_alive && (!is_team_msg || is_team_msg && sender_team == player_team) //flag DEAD_SEE_ALIVE
        || player_flags & TEAM_SEE_TEAM && is_team_msg && sender_team != player_team) //flag TEAM_SEE_TEAM
        {
            emessage_begin(MSG_ONE, g_SayText, _, player);
            ewrite_byte(id);
            ewrite_string(g_TextChannels[channel]);
            ewrite_string("");
            ewrite_string("");
            emessage_end();
        }
    }
    #endif