I have also fallen foul as have many to the Latest Wordpress Upgrade, Ver 2.5.
I “One Click” installed the upgrade on the dreamhost control panel and boom 5ish mins later received an email saying upgrade complete. Checked the blog (with fear the theme was screwed as heard rumors elsewhere about 2.5 doing weird things) and all was fine! FEW…. or so i thought..
I went to login to have a look at the “New Improved” admin interface to find that i couldnt… I received…..
Fatal error: Call to undefined function: wp_register_sidebar_widget() in /home/.zig/buzzinh/geekfreak.co.uk/wordpress/wp-admin/includes/dashboard.php on line 31
I then pooed myself then got to looking for some help… and found this site / post written by a guy called Tom Rafety.
http://www.tomrafteryit.net/fatal-error-call-to-undefined-function-wp_register_sidebar_widget-in/
I followed the steps and managed to get into the admin interface for Wordpress 2.5. But i am still getting weird code above the header and not being fluent in PHP like i would like to be i have few options…Look for a Wordpress 2.5 version of K2 (will later) or change the theme… which i don’t want to do!
If anyone has any ideas / knowlege of php send me an email. buzzinh [at] geekfreak dot co dot uk
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Thanks for the Post.
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I always read your blog in high spirits. Thanks