The website encountered an error while retrieving http://mydomain.org/wp-admin/. It may be down for maintenance or configured incorrectly.
Here are some suggestions:
Reload this webpage later.
HTTP Error 500 (Internal Server Error): An unexpected condition was encountered while the server was attempting to fulfill the request.
I just restored my site from backup using BackUp Buddy and
importbuddy.php file. The site works, all the pages are there, but... the wp-admin doesn't load. I'm confused as to what would cause this.
UPDATE: It seems that any url with wp-admin in it is giving me the same error.