[@Riichard]

Tente desse modo:

pawn Код:

CMD:usarskin(playerid,params[])
{
    new skin;
    if(playerinfo[playerid][Doador] < 1) return SendClientMessage(playerid,branco,"SERVER: Unknown command.");
    if(sscanf(params,"d",skin)) return SendClientMessage(playerid,yellow,"Use: /usarskin <skin-id>");
    if(skin < 0 || skin > 299) return SendClientMessage(playerid,red,"-Erro- O id das skins sгo somente de 0 a 299");
    if(skin = 211 || skin == 217)
    {
          if(playerinfo[playerid][Admin] < 0)
          {
                SendClientMessage(playerid, -1, "Vocк Nгo й Admin, Skin Reservada!");
          }
          else
          {
                 SetPlayerSkin(playerid,skin);
          }
    }
    return 1;
}