Hello, I wonder if you can give me back the money from the extension, took 2 days trying to make funcionr and really is impossible....

Sorry, but i cant to run this extension i have been 30 hours working trying to make a reservation, but its imposible. I dont know the problem because there are a lot of them. Its really dificult. Anyody can explain to my step by step what i have to do? i have read and follow step by step all the documentation, but its imposible. I recibe allwais the same problem:
[attachment:1]error artio.png[/attachment]

Hi, when i try to make a reservation y obtain this: TableSubject::bind(*NULL*).Any idea? thanks

i recive this error when traing to make a new object. Any Idea? thanks