ACF Frontend Form Error

This is a new error that just appeared today after doing updates for ACF Frontend, Elementor and ELementor Pro.

Notice: Undefined index: emails_to_send in C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\acf-frontend-form-element\includes\elementor\widgets\acf-frontend-form.php on line 1512
[08-Dec-2020 20:19:21 UTC] PHP Stack trace:
[08-Dec-2020 20:19:21 UTC] PHP 1. {main}() C:\Users\jcb\Local Sites\aainj\app\public\index.php:0
[08-Dec-2020 20:19:21 UTC] PHP 2. require() C:\Users\jcb\Local Sites\aainj\app\public\index.php:17
[08-Dec-2020 20:19:21 UTC] PHP 3. require_once() C:\Users\jcb\Local Sites\aainj\app\public\wp-blog-header.php:19
[08-Dec-2020 20:19:21 UTC] PHP 4. include() C:\Users\jcb\Local Sites\aainj\app\public\wp-includes\template-loader.php:106
[08-Dec-2020 20:19:21 UTC] PHP 5. get_template_part() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\themes\hello-elementor\index.php:21
[08-Dec-2020 20:19:21 UTC] PHP 6. locate_template() C:\Users\jcb\Local Sites\aainj\app\public\wp-includes\general-template.php:204
[08-Dec-2020 20:19:21 UTC] PHP 7. load_template() C:\Users\jcb\Local Sites\aainj\app\public\wp-includes\template.php:676
[08-Dec-2020 20:19:21 UTC] PHP 8. require() C:\Users\jcb\Local Sites\aainj\app\public\wp-includes\template.php:732
[08-Dec-2020 20:19:21 UTC] PHP 9. the_content() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\themes\hello-elementor\template-parts\single.php:23
[08-Dec-2020 20:19:21 UTC] PHP 10. apply_filters() C:\Users\jcb\Local Sites\aainj\app\public\wp-includes\post-template.php:253
[08-Dec-2020 20:19:21 UTC] PHP 11. WP_Hook->apply_filters() C:\Users\jcb\Local Sites\aainj\app\public\wp-includes\plugin.php:206
[08-Dec-2020 20:19:21 UTC] PHP 12. Elementor\Frontend->apply_builder_in_content() C:\Users\jcb\Local Sites\aainj\app\public\wp-includes\class-wp-hook.php:287
[08-Dec-2020 20:19:21 UTC] PHP 13. Elementor\Frontend->get_builder_content() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\includes\frontend.php:889
[08-Dec-2020 20:19:21 UTC] PHP 14. Elementor\Core\DocumentTypes\Page->print_elements_with_wrapper() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\includes\frontend.php:975
[08-Dec-2020 20:19:21 UTC] PHP 15. Elementor\Core\DocumentTypes\Page->print_elements() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\core\base\document.php:871
[08-Dec-2020 20:19:21 UTC] PHP 16. Elementor\Element_Section->print_element() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\core\base\document.php:1234
[08-Dec-2020 20:19:21 UTC] PHP 17. Elementor\Element_Section->_print_content() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\includes\base\element-base.php:644
[08-Dec-2020 20:19:21 UTC] PHP 18. Elementor\Element_Column->print_element() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\includes\base\element-base.php:864
[08-Dec-2020 20:19:21 UTC] PHP 19. Elementor\Element_Column->_print_content() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\includes\base\element-base.php:644
[08-Dec-2020 20:19:21 UTC] PHP 20. ACFFrontend\Module\Widgets\ACF_Frontend_Form_Widget->print_element() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\includes\base\element-base.php:864
[08-Dec-2020 20:19:21 UTC] PHP 21. ACFFrontend\Module\Widgets\ACF_Frontend_Form_Widget->_print_content() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\includes\base\element-base.php:644
[08-Dec-2020 20:19:21 UTC] PHP 22. ACFFrontend\Module\Widgets\ACF_Frontend_Form_Widget->render_content() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\includes\base\widget-base.php:660
[08-Dec-2020 20:19:21 UTC] PHP 23. ACFFrontend\Module\Widgets\ACF_Frontend_Form_Widget->render_by_mode() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\includes\base\widget-base.php:530
[08-Dec-2020 20:19:21 UTC] PHP 24. ACFFrontend\Module\Widgets\ACF_Frontend_Form_Widget->render() C:\Users\jcb\Local Sites\aainj\app\public\wp-content\plugins\elementor\includes\base\controls-stack.php:1894