I can't access my wordpress backend due to a theme problem!

Can anyone help with that? I don’t see any option to contact envato directly

Warning : Creating default object from empty value in /home/customer/www/kerzenssache.de/public_html/wp-content/themes/ronneby/redux_framework/ReduxCore/inc/class.redux_filesystem.php on line 29

Hi, please get in touch with the author of this theme to get support: