Could you provide a link to the blog, and provide any more information you can about the issue, such as what files where changed, and a more specific error.

Cheers.

I'm make a copy of originalb2 and name it to originalb2b.
This was for experiment/test.
Change _main.php and layout2b.css.
After test I removed it again. When user report error, I make a new copy and user change to standard.
I dont now what error he get.

I have try to get error self now but is not sure if it is same as the user get but here it is:
An unexpected error has occured!
If this error persits, please report it to the administrator.
Go back to home page
Additional information about this error:
Group/user permission denied by b2evolution! (options:edit:)

Address http://vishet.se/blogs2/index.php/sm6gqw