[Wed Jul 01 07:21:07 2015] [error] [client 90.220.15.206] [host finanpedia.nl] Backend fatal error: PHP Catchable fatal error: Argument 1 passed to OutputPage::setTitle() must be an instance of Title, null given, called in /home/*/domains/*.nl/public_html/mw/extensions/LiquidThreads/classes/View.php on line 455 and defined in /home/*/domains/*.nl/public_html/mw/includes/OutputPage.php on line 993\n, referer: http://finanpedia.nl/wiki/Overleg:Hoofdpagina
Running MediaWiki 1.25 and REL1_25 of LiquidThreads (this also happens on master)
Happens when clicking the "Add new section" tab on a blank LiquidThreads talk page as a user who doesn't have the edit right (e.g. user not yet email confirmed; $wgEmailConfirmToEdit).