[MadeMan]

pawn Код:

tmp = strtok(cmdtext, idx);
        if(!strlen(tmp))
        {
            SendClientMessage(playerid, COLOR_GREY, "USAGE: /makeadmin [playerid] [level]");
            return 1;
        }
        giveplayerid = strval(tmp);
        tmp = strtok(cmdtext, idx);
        if(!strlen(tmp))
        {
            SendClientMessage(playerid, COLOR_GREY, "USAGE: /makeadmin [playerid] [level]");
            return 1;
        }
        PlayerInfo[giveplayerid][pAdmin] = strval(tmp);

Look what part is missing from your code and add it.