[Hiddos]

pawn Код:

if(IsPlayerVipType(playerid,3)) return SendClientMessage(playerid, 0xF60000AA, "You're Not A VIP Member!");

Now you're telling the script that when the player IS a type 3 VIP, it rejects them access.

pawn Код:

if(!IsPlayerVipType(playerid,3)) return SendClientMessage(playerid, 0xF60000AA, "You're Not A VIP Member!");

Tells the script that when a player is NOT a type 3 VIP, he hasn't got access.