I'm posting this here because for some reason the BuddyPress.org is not accepting posts from my system. They have a thread called "HELP I CAN'T POST!" so I guess it's not just me.
I installed Wordpress MU + BuddyPress on two different systems today, and got the same error message. (WordPress MU 2.7.1 / BuddyPress 1.0.3).
Everything went great until I clicked the link to activate BuddyPress systemwide. Then I got this error message on the first system:
PHP Fatal error: Class 'WP_Widget' not found in /xxxxx/wpmu/wp-content/plugins/buddypress/bp-core/bp-core-widgets.php on line 14
...and this error message on the second system:
Fatal error: Class bp_core_welcome_widget: Cannot inherit from undefined class wp_widget in /xxxxxx/wpmu/wp-content/plugins/buddypress/bp-core/bp-core-widgets.php on line 14
How can I correct this?
Thanks very much in advance to all for any info.