Catchable fatal error: Argument 1 passed to Bookmarks\Repository\BookmarkRepository::findNext() must be an instance of Bookmarks\Entity\Bookmark, null given, called in /homepages/35/d582357765/htdocs/modules/bookmarks/view_bookmark.php on line 9 and defined in /homepages/35/d582357765/htdocs/modules/bookmarks/Repository/BookmarkRepository.php on line 13