World template Deluxe furniture: lakeside

I downloaded Minecraft on the PlayStation for got the world template deluxe furniture Lakeside every time I load into it I run through the first menu that gives me a run through of the game let me in the game I switch it over to creative and start building on the property and all of a sudden everything gets lost I lose all the cars all the furniture on my brakes change I don't know what's going on but it's driving me crazy and it's doing it all the time I just paid for this game and this template I'm not impress especially when everybody I know gives me great reviews about this game and I'm not getting a good experience at all i've hooked up my Microsoft account and everything to the PlayStation for this game is there anyway we can fix this