Fatal error: Uncaught Error: Call to undefined function PHPMailer\PHPMailer\mail() in /home2/theobgsc/public_html/wp-includes/PHPMailer/PHPMailer.php:874 Stack trace: #0 /home2/theobgsc/public_html/wp-includes/PHPMailer/PHPMailer.php(1945): PHPMailer\PHPMailer\PHPMailer->mailPassthru('mireya1966@gmai...', '[theobgs.com] D...', '\r\n<!DOCTYPE htm...', 'Date: Sun, 4 De...', NULL) #1 /home2/theobgsc/public_html/wp-includes/PHPMailer/PHPMailer.php(1666): PHPMailer\PHPMailer\PHPMailer->mailSend('Date: Sun, 4 De...', '\r\n<!DOCTYPE htm...') #2 /home2/theobgsc/public_html/wp-includes/PHPMailer/PHPMailer.php(1502): PHPMailer\PHPMailer\PHPMailer->postSend() #3 /home2/theobgsc/public_html/wp-includes/pluggable.php(542): PHPMailer\PHPMailer\PHPMailer->send() #4 /home2/theobgsc/public_html/wp-content/plugins/ithemes-security-pro/core/lib/class-itsec-mail.php(624): wp_mail(Array, '[theobgs.com] D...', '\n<!DOCTYPE html...', Array, Array) #5 /home2/theobgsc/public_html/wp-content/plugins/ithemes-security-pro/core/modules/notification-center/class-notification-center.php(532): ITSEC_Mail->send() #6 /home2/theobgsc/public_html/wp-content/plugins/ithemes-security-pro/core/notify.php(218): ITSEC_Notification_Center->send('digest', Object(ITSEC_Mail)) #7 /home2/theobgsc/public_html/wp-includes/class-wp-hook.php(308): ITSEC_Notify->send_daily_digest(false, 1668615955, Array) #8 /home2/theobgsc/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters(false, Array) #9 /home2/theobgsc/public_html/wp-content/plugins/ithemes-security-pro/core/modules/notification-center/class-notification-center.php(821): apply_filters('itsec_send_noti...', false, 1668615955, Array) #10 /home2/theobgsc/public_html/wp-content/plugins/ithemes-security-pro/core/modules/notification-center/class-notification-center.php(771): ITSEC_Notification_Center->send_scheduled_notification('digest') #11 /home2/theobgsc/public_html/wp-content/plugins/ithemes-security-pro/core/modules/notification-center/class-notification-center.php(742): ITSEC_Notification_Center->send_scheduled_notifications(Array) #12 /home2/theobgsc/public_html/wp-content/plugins/ithemes-security-pro/core/modules/notification-center/class-notification-center.php(698): ITSEC_Notification_Center->check_notification_schedule_accurate(Array) #13 /home2/theobgsc/public_html/wp-includes/class-wp-hook.php(308): ITSEC_Notification_Center->check_notification_schedule_fast('') #14 /home2/theobgsc/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #15 /home2/theobgsc/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #16 /home2/theobgsc/public_html/wp-settings.php(617): do_action('init') #17 /home2/theobgsc/public_html/wp-config.php(90): require_once('/home2/theobgsc...') #18 /home2/theobgsc/public_html/wp-load.php(50): require_once('/home2/theobgsc...') #19 /home2/theobgsc/public_html/wp-blog-header.php(13): require_once('/home2/theobgsc...') #20 /home2/theobgsc/public_html/index.php(17): require('/home2/theobgsc...') #21 {main} thrown in /home2/theobgsc/public_html/wp-includes/PHPMailer/PHPMailer.php on line 874