PHP Undefined index: new_episode_box_subtitle

I am aslo getting the following errors.

I fixed them once the plugin updated and they are back again.

PHP Notice: Undefined index: new_episode_box_subtitle in /wp-content/plugins/powerpress/powerpressadmin-metabox.php on line 302
HP Notice: Undefined index: new_episode_box_subtitle in /var/www/jaysongaddis.throttleup.io/htdocs/wp-content/plugins/powerpress/powerpressadmin-metabox.php on line 307
PHP Notice: Undefined index: new_episode_box_itunes_image in /var/www/jaysongaddis.throttleup.io/htdocs/wp-content/plugins/powerpress/powerpressadmin-metabox.php on line 562