Please give us more information, As for what version is your hotel. Because If It's V26, It's basically you need to setup your DCRs or you didn't set it up right.
It's not necessary to purchase a VPS, Unless you want it 24/7. But you could just host it on your PC / laptop, You could portforward. But the only problem with that, That the hotel wont be up 24/7.
There should be instructions on how to set it up, It comes with the download. All you have to do is, Go into the /me.php file, Edit where it say's, " /client " change that to " api.php ". After you've done that, You'll need to edit the file " client " in the " Api_TheHabbos " folder. At the...