Thread:Extension talk:Favorites/View and edit favorites option don't work

Hello I use mediawiki 1.18.3. and | View and edit favorites option don't work. I check some titles and press "remove titles" then I have a page where " title was removed from your favorites", but the title is still there! How to remove this bug? I had to also edit some php files I had to change 'Xml::hidden' to 'Html::hidden' becouse of php error. Please help me