It seems on mediawikiwiki (but not translatewiki) that there is a case where the Title object is null, and this condition isn't chekced for

PHP fatal error in /usr/local/apache/common-local/php-1.20wmf3/extensions/Translate/tag/TranslatablePage.php line 108:
Argument 1 passed to TranslatablePage::newFromTitle() must be an instance of Title, null given, called in /usr/local/apache/common-local/php-1.20wmf3/extensions/Translate/tag/PageTranslationHooks.php on line 414 and defined

Version: unspecified
Severity: minor