Upgraded to WordPress 3.0
Just upgraded to Worpress 3.0. But forgot to switch off all active plugins, which was offcourse one of the instructions, but who reads these! That left me with an empty webpage. Oeps. Also the admin page was not functioning anymore. Oeps again.
But got rescued by this which helped me out by deactivating all plugins straight in the MySQL database. And that worked! After which I switched on the plugins one by one again.
In short query for “active_plugins” in the “wp_options” table and remove the value string (save somewhere local first i would suggest, just in case). And then active your plugins one by one again, via the regular Admin interface.
SELECT * FROM wp_options WHERE option_name = 'active_plugins';