I upgraded to Version 2.2 just now and when click submit to create topic or click edit for the existing topic, it shows the blank page and the page title says the fatal error: Call to undefined function bb_get_id_from_slug()…

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<b>Fatal error</b>: Call to undefined function bb_get_id_from_slug() in <b>/home/omijin/public_html/wp-content/plugins/buddypress/bp-forums/bp-forums-functions.php</b> on line <b>178</b><br />

[@robotcake Participant 12 years, 1 month ago]

me too, this happens to my group hidden forum, the normal public forum is okay

[@johnjamesjacoby Keymaster 12 years, 1 month ago]

Disable BuddyPress’s Forums component.