WordPress MU

I set up wordpress mu and tested setting up new blogs emails ect and they worked fine.

I uploaded a theme "Arjuna X (through the script not FTP) and then trouble started.

Firstly when I set up another new blog and new member the email did not go to the owner, with password.

When tried to write a post or page it says
"Your attempt to edit this page: “” has failed."

When I click on the link, new blog I now get a sign saying.

Greetings Site Administrator! You are currently allowing 'all' registrations. To change or disable registration go to your Options page.

Spam is a huge problem on the Internet. Protect your site by using WP-Hashcash, Cookies For Comments or follow this advice. They should help stop or slow down those who create spam blogs on your site.

So I assume these problems were caused because I uploaded a theme.
I have deleted the theme (again not FTP but through the DB)

How do I fix the email and posting page and post problems.

Any help would be great thanks.

Update when I was looking on google for solutions I found a plugin called." Your attempt to edit this post has failed: Wordpress Fix"

Does any one know if this works on wordpress MU.

Thanks

Update.

I fixed the post problem by using this way that I found,

http://conradmiguel.com/wordpress-25x-your-attempt-to-edit-this-pagepost-has-failed-please-try-again

The pages still has the problem also the emails.

So any help, thanks.

None of those errors were theme related. revert back to the default theme.

Give us a link. otherwise, we can't be specific.

Hi Andrea,
Its back to the default theme.

http://www.siteseu.com

UPDATE

Hi Andrea the emails have arrived, so they are now working. (I did nothing)

So its only the page now (mabey post if I undo what I did in the file manager)

I deleted the theme and undid the code I had done on the post.
I left it for a few hours and I can now write and publish post and pages.

So the problem was either the theme or because I uploaded the theme through the dashboard.

I am going to try another theme now, uploading it through the dashboard. If there is trouble I will assume I have to upload through a FTP program.