Fatal error: Call to undefined method wpdb::get_blog_prefix()

Guy, I got the same error as well…zzz…

haha…I’ve fixed by disable the DB Cache Reloaded.

I got this fucking error to!

I’ll try disable DB cache and see.

Yup, disabling cache worked.

Thank you.

same error, same solution! Thanks mickbeng!

Here is the patch for DB Cache Reloaded, to work with WordPress 3.0:

https://djzone.im/2010/06/wordpress-3-0-rc1-bugfix/

This patch works. I had the same problem using DB cache reloaded after updating to 3.0

here is some update, DB Cache Reloaded 2.1 fix all of the problem~

perfect, disabling DB CACHE fixed the problem!