Thread:Extension talk:Header Tabs/Header tabs don't show when ads appear on webkit browsers/reply (3)

This is what I got from the inspection element report:

Exception thrown by ext.headertabs: Cannot read property 'length' of null load.php?debug=false&lang=en&modules=jquery%2Cmediawiki&only=scripts&skin=monobook&version=20140311…:151 TypeError message: "Cannot read property 'length' of null" stack: (...) get stack: function { [native code] } set stack: function { [native code] } __proto__: Error load.php?debug=false&lang=en&modules=jquery%2Cmediawiki&only=scripts&skin=monobook&version=20140311…:151 log