Restoring a backup of MyPlaza not working

[Goggalor]

OK found the latest version, upgraded to v 5.3

Same problem on backing up.

Found the Template handling instructions bit in the readme. I'm sorry, but I do not understand that stuff at all!

I figure it's what I need to do and that's what you're going to tell me? If so, would you please explain it in a way that a dummy can understand it? I just don't understand the 'language' and what it means.

Thanks for any help you can give me.