[Jason`]

pawn Код:

if(strcmp(cmdtext,"/daradmin",true) == 0)
{
    tmp = strtok(cmdtext, idx);
    if(!strlen(tmp)) return SendClientMessage(playerid,-1,"Use /DarAdmin [ID][AdminLevel]");
    new admin = strval(tmp);
    tmp = strtok(cmdtext,idx);
    if(!strlen(tmp)) return SendClientMessage(playerid,-1,"Use /DarAdmin [ID][AdminLevel]");
    new adminlevel = strval(tmp);
    if(adminlevel < valorminimo || adminlevel > valormaximo) return SendClientMessage(playerid,-1,"Level de admin invбlido.");
    new name[MAX_PLAYER_NAME];
    new name2[MAX_PLAYER_NAME];
    GetPlayerName(playerid,name,sizeof(name));
    GetPlayerName(admin,name2,sizeof(name2));
    new string[128];
    format(string,sizeof(string),"%s Promoveu %s Para Level %d de Admin!"name,name2,adminlevel);
    SendClientMessageToAll(GetPlayerColor(admin),string);
    PlayerInfo[admin][pAdmin] = adminlevel;//troque isto pela variavel equivalente a do seu sistema de admin
    return 1;
}

Tente isto.

PS: Troque valorminimo e valormaximo pelo nivel minimo e maximo de admin
Ex:

pawn Код:

if(adminlevel < 1 || admilevel > 10)