Settings Page Blank, Manual tabs etc not working

That sounds like a plugin conflict and another plugins add some code to the settings page or the css or java script isn’t being loaded.

Daniel

Any ideas about finding the conflict? Do you know any likely candidates before I go through the painful process of deactivating ALL plugins?

In case it helps, the firebug console shows this when I refresh the settings page on my installation.

ReferenceError: postboxes is not defined
(?)($=function())option...ettings (line 56)
a(t=[Document options-general.php?page=wps-seo-booster-settings, [function()]])jquery.min.js (line 2)
a(e=Document options-general.php?page=wps-seo-booster-settings, t=[Document options-general.php?page=wps-seo-booster-settings, [function()]])jquery.min.js (line 2)
a(e=undefined)jquery.min.js (line 2)
a()jquery.min.js (line 2)
[Break On This Error] 	

postboxes.add_postbox_toggles( 'settings_page_wps-seo-booster-settings' );