I'm getting this error when trying to edit or add Accordion Pro that I installed on the Bitter Theme:

{"error":{"message":"Call to undefined method Concrete\Core\Editor\CkeditorEditor::getEditorOptions()"},"errors":["Call to undefined method Concrete\Core\Editor\CkeditorEditor::getEditorOptions()"]}

Environment:

concrete5 Version

Core Version - 8.4.2 Version Installed - 8.4.2 Database Version - 20180716000000

concrete5 Packages

Accordion Pro (1.0.2), Bitter Theme (0.9.4.7), Counter Up (1.0.2), EU Cookie Law (1.0.1.8), Honey Pot (0.9.0.1), Image Carousel (0.9.0.8), Noindex Before Launch (1.2), Portfolio Grid (1.0.2), Progressbar (1.0.2)

concrete5 Overrides

controllers/single_page/business_directory.php, controllers/single_page, single_pages/business_directory.php, themes/bitter_theme_modified/page_not_found.php, themes/bitter_theme_modified/default.php, themes/bitter_theme_modified/view.php, themes/bitter_theme_modified/right_sidebar.php, themes/bitter_theme_modified/blank.php, themes/bitter_theme_modified/js/main.js, themes/bitter_theme_modified/js, themes/bitter_theme_modified/description.txt, themes/bitter_theme_modified/elements/footer.php, themes/bitter_theme_modified/elements/header.php, themes/bitter_theme_modified/elements, themes/bitter_theme_modified/page_theme.php, themes/bitter_theme_modified/left_sidebar.php, themes/bitter_theme_modified/thumbnail.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_08.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_02.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_03.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_11.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_01.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_04.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_12.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_06.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_10.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_05.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_09.png, themes/bitter_theme_modified/img/logo-hover-slices/logo_07.png, themes/bitter_theme_modified/img/logo-hover-slices, themes/bitter_theme_modified/img/logo-slices/logo_08.png, themes/bitter_theme_modified/img/logo-slices/logo_02.png, themes/bitter_theme_modified/img/logo-slices/logo_03.png, themes/bitter_theme_modified/img/logo-slices/logo_11.png, themes/bitter_theme_modified/img/logo-slices/logo_01.png, themes/bitter_theme_modified/img/logo-slices/logo_04.png, themes/bitter_theme_modified/img/logo-slices/logo_12.png, themes/bitter_theme_modified/img/logo-slices/logo_06.png, themes/bitter_theme_modified/img/logo-slices/logo_10.png, themes/bitter_theme_modified/img/logo-slices/logo_05.png, themes/bitter_theme_modified/img/logo-slices/logo_09.png, themes/bitter_theme_modified/img/logo-slices/logo_07.png, themes/bitter_theme_modified/img/logo-slices, themes/bitter_theme_modified/img, themes/bitter_theme_modified/page_forbidden.php, themes/bitter_theme_modified/full.php, themes/bitter_theme_modified/home.php, themes/bitter_theme_modified/css/normalize.less, themes/bitter_theme_modified/css/styles.xml, themes/bitter_theme_modified/css/elements/footer.less, themes/bitter_theme_modified/css/elements/pages/login.less, themes/bitter_theme_modified/css/elements/pages, themes/bitter_theme_modified/css/elements/sidebar.less, themes/bitter_theme_modified/css/elements/blocks/autonav.less, themes/bitter_theme_modified/css/elements/blocks/next_previous.less, themes/bitter_theme_modified/css/elements/blocks/express_form.less, themes/bitter_theme_modified/css/elements/blocks/image_slider.less, themes/bitter_theme_modified/css/elements/blocks/topic_list.less, themes/bitter_theme_modified/css/elements/blocks/progressbar.less, themes/bitter_theme_modified/css/elements/blocks/date_navigation.less, themes/bitter_theme_modified/css/elements/blocks/core_conversation.less, themes/bitter_theme_modified/css/elements/blocks/page_title.less, themes/bitter_theme_modified/css/elements/blocks/image_carousel.less, themes/bitter_theme_modified/css/elements/blocks/page_list.less, themes/bitter_theme_modified/css/elements/blocks/content.less, themes/bitter_theme_modified/css/elements/blocks/share_this_page.less, themes/bitter_theme_modified/css/elements/blocks/search.less, themes/bitter_theme_modified/css/elements/blocks, themes/bitter_theme_modified/css/elements/header.less, themes/bitter_theme_modified/css/elements/addons/bitter_shop_system.less, themes/bitter_theme_modified/css/elements/addons, themes/bitter_theme_modified/css/elements/areas.less, themes/bitter_theme_modified/css/elements, themes/bitter_theme_modified/css/presets/lightblue.less, themes/bitter_theme_modified/css/presets/neo.less, themes/bitter_theme_modified/css/presets/orange.less, themes/bitter_theme_modified/css/presets/darkblue.less, themes/bitter_theme_modified/css/presets/defaults.less, themes/bitter_theme_modified/css/presets/spiritual.less, themes/bitter_theme_modified/css/presets, themes/bitter_theme_modified/css/main.less, themes/bitter_theme_modified/css/mixins.less, themes/bitter_theme_modified/css, themes/bitter_theme_modified

concrete5 Cache Settings

Block Cache - On Overrides Cache - On Full Page Caching - Off Full Page Cache Lifetime - Every 6 hours (default setting).

Server Software

Apache

Server API

cgi-fcgi

PHP Version

7.0.31

PHP Extensions

bcmath, calendar, cgi-fcgi, Core, ctype, curl, date, dom, exif, fileinfo, filter, ftp, gd, gettext, hash, iconv, imagick, ionCube Loader, json, libxml, mbstring, mcrypt, mysqli, mysqlnd, openssl, pcntl, pcre, PDO, pdo_mysql, pdo_sqlite, Phar, posix, readline, Reflection, session, SimpleXML, soap, sockets, SPL, sqlite3, standard, tokenizer, wddx, xml, xmlreader, xmlwriter, xsl, Zend OPcache, zip, zlib

PHP Settings

max_execution_time - 90 log_errors_max_len - 1024 max_file_uploads - 20 max_input_nesting_level - 64 max_input_time - 90 max_input_vars - 2000 memory_limit - 400M post_max_size - 30M sql.safe_mode - Off upload_max_filesize - 20M mysqli.max_links - Unlimited mysqli.max_persistent - Unlimited pcre.backtrack_limit - 1000000 pcre.recursion_limit - 100000 session.cache_limiter - <i>no value</i> session.gc_maxlifetime - 7200 soap.wsdl_cache_limit - 5 opcache.max_accelerated_files - 4000 opcache.max_file_size - 0 opcache.max_wasted_percentage - 5

Can't add to page or edit existing