Fehlermeldung

• Notice: Undefined offset: -1 in imggallery_get_page_neu() (Zeile 17 von /var/www/web4/html/falken12.dev/sites/all/modules/imggallery/inc/imggallery.inc).
• Notice: Trying to get property of non-object in is_this_category_parent_to_active() (Zeile 247 von /var/www/web4/html/falken12.dev/sites/all/modules/imggallery/inc/imggallery.inc).