Fatal error: Uncaught Error: Call to undefined function PHPMailer\PHPMailer\mail() in /var/www/web24338343/html/wp-includes/PHPMailer/PHPMailer.php:881 Stack trace: #0 /var/www/web24338343/html/wp-includes/PHPMailer/PHPMailer.php(1972): PHPMailer\PHPMailer\PHPMailer->mailPassthru('abram.evnin1994...', 'You have unread...', 'This is a remin...', 'Date: Sun, 8 Se...', NULL) #1 /var/www/web24338343/html/wp-includes/PHPMailer/PHPMailer.php(1693): PHPMailer\PHPMailer\PHPMailer->mailSend('Date: Sun, 8 Se...', 'This is a remin...') #2 /var/www/web24338343/html/wp-includes/PHPMailer/PHPMailer.php(1525): PHPMailer\PHPMailer\PHPMailer->postSend() #3 /var/www/web24338343/html/wp-includes/pluggable.php(546): PHPMailer\PHPMailer\PHPMailer->send() #4 /var/www/web24338343/html/wp-content/plugins/flo-forms/includes/class-flo-forms.php(467): wp_mail(Array, 'You have unread...', 'This is a remin...', Array, Array) #5 /var/www/web24338343/html/wp-content/plugins/flo-forms/public/class-flo-forms-public.php(1222): Flo_Forms::wp_mail('abram.evnin1994...', 'You have unread...', 'This is a remin...', Array) #6 /var/www/web24338343/html/wp-includes/class-wp-hook.php(324): Flo_Forms_Public->unread_entries_reminder('') #7 /var/www/web24338343/html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(false, Array) #8 /var/www/web24338343/html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #9 /var/www/web24338343/html/wp-settings.php(722): do_action('wp_loaded') #10 /var/www/web24338343/html/wp-config.php(94): require_once('/var/www/web243...') #11 /var/www/web24338343/html/wp-load.php(50): require_once('/var/www/web243...') #12 /var/www/web24338343/html/wp-blog-header.php(14): require_once('/var/www/web243...') #13 /var/www/web24338343/html/index.php(17): require('/var/www/web243...') #14 {main} thrown in /var/www/web24338343/html/wp-includes/PHPMailer/PHPMailer.php on line 881