Fatal error: Uncaught exception 'Exception'

Message: Advanced Custom Fields: function acf_add_options_page doesn't exist

Stack trace:

#0 /home/usfneox/public_html/library/They/AdvancedCustomFields/OptionsPage.php(35): They\AdvancedCustomFields\OptionsPage->create()
#1 /home/usfneox/public_html/library/They/_functions/advanced-custom-fields.php(65): They\AdvancedCustomFields\OptionsPage::add()
#2 /home/usfneox/public_html/site/addons/qac/options-emails.php(13): they_add_option_page()
#3 /home/usfneox/public_html/cms/wp-includes/class-wp-hook.php(341): qac_email_options_page()
#4 /home/usfneox/public_html/cms/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters()
#5 /home/usfneox/public_html/cms/wp-includes/plugin.php(522): WP_Hook->do_action()
#6 /home/usfneox/public_html/cms/wp-settings.php(742): do_action()
#7 /home/usfneox/public_html/cms/wp-config.php(13): require_once('/home/usfneox/p...')
#8 /home/usfneox/public_html/cms/wp-load.php(50): require_once('/home/usfneox/p...')
#9 /home/usfneox/public_html/cms/wp-blog-header.php(13): require_once('/home/usfneox/p...')
#10 /home/usfneox/public_html/index.php(17): require('/home/usfneox/p...')
#11 {main}

thrown in /home/usfneox/public_html/library/They/AdvancedCustomFields/OptionsPage.php on line 80