Fatal error on social media options

When I want to change the premium options, there is a fatal error occuring on the “Social media options”. Here is the message :

Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, string given in …\plugins\ultimate-faqs\lib\simple-admin-pages\classes\AdminPageSetting.Checkbox.class.php:41 Stack trace: #0 …\plugins\ultimate-faqs\lib\simple-admin-pages\classes\AdminPageSetting.Checkbox.class.php(41): in_array(‘facebook’, ”) #1 …\wp-admin\includes\template.php(1785): sapAdminPageSettingCheckbox_2_6_9->display_setting(Array) #2 …\wp-admin\includes\template.php(1739): do_settings_fields(‘ewd-ufaq-premiu…’, ‘ewd-ufaq-premiu…’) #3 …\plugins\ultimate-faqs\lib\simple-admin-pages\classes\AdminPage.class.php(238): do_settings_sections(‘ewd-ufaq-premiu…’) #4 …\wp-includes\class-wp-hook.php(308): sapAdminPage_2_6_9->display_admin_menu(”) #5 …\wp-includes\class-wp-hook.php(332): WP_Hook->apply_filters(”, Array) #6 …\wp-includes\plugin.php(517): WP_Hook->do_action(Array) #7 …\wp-admin\admin.php(259): do_action(‘ufaq_page_ewd-u…’) #8 …\wp-admin\edit.php(10): require_once(‘C:\xampp\htdocs…’) #9 {main} thrown in …\plugins\ultimate-faqs\lib\simple-admin-pages\classes\AdminPageSetting.Checkbox.class.php on line 41″