Critical error on website

  • manumr1991

    (@manumr1991)


    4 years, 6 months ago

    Hello,

    I’m managing some wordpress sites. And recently some of the sites started showing the message “There has been a critical error on the website”. The websites showing the messages are all on PHP 8.0 and by default, the PHP mail function is disabled for all PHP versions. Interestingly these websites have a common plugin “better-wp-security” (https://en-ca.wordpress.org/plugins/better-wp-security/) installed. The error disappears if I switch the version to PHP 7.4 or less. Hope someone from plugin support can help me here. On inspecting the sites have the following message on the PHP error log.
    `

    PHP Fatal error:  Uncaught Error: Call to undefined function PHPMailer\PHPMailer\mail() in /home/USERNAME/public_html/wp-includes/PHPMailer/PHPMailer.php:874
Stack trace:
#0 /home/USERNAME/public_html/wp-includes/PHPMailer/PHPMailer.php(1902): PHPMailer\PHPMailer\PHPMailer->mailPassthru('noreply@riicon....', '[safeharbourepr...', '\r\n<!DOCTYPE htm...', 'Date: Fri, 12 N...', NULL)
#1 /home/USERNAME/public_html/wp-includes/PHPMailer/PHPMailer.php(1642): PHPMailer\PHPMailer\PHPMailer->mailSend('Date: Fri, 12 N...', '\r\n<!DOCTYPE htm...')
#2 /home/USERNAME/public_html/wp-includes/PHPMailer/PHPMailer.php(1473): PHPMailer\PHPMailer\PHPMailer->postSend()
#3 /home/USERNAME/public_html/wp-includes/pluggable.php(542): PHPMailer\PHPMailer\PHPMailer->send()
#4 /home/USERNAME/public_html/wp-content/plugins/better-wp-security/core/lib/class-itsec-mail.php(624): wp_mail(Array, '[safeharbourepr...', '\n<!DOCTYPE html...', Array, Array)
#5 /home/USERNAME/public_html/wp-content/plugins/better-wp-security/core/modules/notification-center/class-notification-center.php(532): ITSEC_Mail->send()
#6 /home/USERNAME/public_html/wp-content/plugins/better-wp-security/core/notify.php(218): ITSEC_Notification_Center->send('digest', Object(ITSEC_Mail))
#7 /home/USERNAME/public_html/wp-includes/class-wp-hook.php(303): ITSEC_Notify->send_daily_digest(false, 1625076941, Array)
#8 /home/USERNAME/public_html/wp-includes/plugin.php(189): WP_Hook->apply_filters(false, Array)
#9 /home/USERNAME/public_html/wp-content/plugins/better-wp-security/core/modules/notification-center/class-notification-center.php(821): apply_filters('itsec_send_noti...', false, 1625076941, Array)
#10 /home/USERNAME/public_html/wp-content/plugins/better-wp-security/core/modules/notification-center/class-notification-center.php(771): ITSEC_Notification_Center->send_scheduled_notification('digest')
#11 /home/USERNAME/public_html/wp-content/plugins/better-wp-security/core/modules/notification-center/class-notification-center.php(742): ITSEC_Notification_Center->send_scheduled_notifications(Array)
#12 /home/USERNAME/public_html/wp-content/plugins/better-wp-security/core/modules/notification-center/class-notification-center.php(698): ITSEC_Notification_Center->check_notification_schedule_accurate(Array)

    `

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