Fatal error: Uncaught Error: Call to undefined function PHPMailer\PHPMailer\mail() in /var/www/vhosts/h214041.web38.alfahosting-server.de/html/bilder/piwigo/include/phpmailer/PHPMailer.php:877
Stack trace:
#0 /var/www/vhosts/h214041.web38.alfahosting-server.de/html/bilder/piwigo/include/phpmailer/PHPMailer.php(1910): PHPMailer\PHPMailer\PHPMailer->mailPassthru('Kerstin <kg9700...', '=?UTF-8?Q?Piwig...', 'This is a multi...', 'Date: Fri, 29 M...', '-fmichaelrinder...')
#1 /var/www/vhosts/h214041.web38.alfahosting-server.de/html/bilder/piwigo/include/phpmailer/PHPMailer.php(1650): PHPMailer\PHPMailer\PHPMailer->mailSend('Date: Fri, 29 M...', 'This is a multi...')
#2 /var/www/vhosts/h214041.web38.alfahosting-server.de/html/bilder/piwigo/include/phpmailer/PHPMailer.php(1486): PHPMailer\PHPMailer\PHPMailer->postSend()
#3 /var/www/vhosts/h214041.web38.alfahosting-server.de/html/bilder/piwigo/include/functions_mail.inc.php(901): PHPMailer\PHPMailer\PHPMailer->send()
#4 /var/www/vhosts/h214041.web38.alfahosting-server.de/html/bilder/piwigo/include/functions_mail.inc.php(459): pwg_mail(Array, Array, Array)
#5 /var/www/vhosts/h214041.web38.alfahosting-server.de/html/bilder/piwigo/admin/include/updates.class.php(212): pwg_mail_admins(Array, Array, false, true)
#6 /var/www/vhosts/h214041.web38.alfahosting-server.de/html/bilder/piwigo/include/page_tail.php(48): updates->notify_piwigo_new_versions()
#7 /var/www/vhosts/h214041.web38.alfahosting-server.de/html/bilder/piwigo/index.php(358): include('/var/www/vhosts...')
#8 {main}
thrown in /var/www/vhosts/h214041.web38.alfahosting-server.de/html/bilder/piwigo/include/phpmailer/PHPMailer.php on line 877