Hacker for Trickster MMORPG Online

Hello guys I need help to hack just for my knowledge, the server is this tricksterbrasil.com/ , I tried to make the hacker using cheat engine I managed to put the value of the galder (gold of the game), but when I buy something it presents the following message " failed purchase '', can someone make a hacker for me? please contact me privately.the game has no gameguard nor other protection.Thanks you guys I hope to contribute a lot to our knowledges

Regards