Fatal error: Uncaught Error: Class 'DOMDocument' not found in /usr/share/nginx/html/include/emogrifier.class.php:406
Stack trace:
#0 /usr/share/nginx/html/include/emogrifier.class.php(233): Emogrifier->createXmlDocument()
#1 /usr/share/nginx/html/include/functions_mail.inc.php(955): Emogrifier->emogrify()
#2 /usr/share/nginx/html/include/functions_mail.inc.php(853): move_css_to_body('<!DOCTYPE html ...')
#3 /usr/share/nginx/html/include/functions_mail.inc.php(458): pwg_mail(Array, Array, Array)
#4 /usr/share/nginx/html/admin/include/updates.class.php(206): pwg_mail_admins(Array, Array, false, true)
#5 /usr/share/nginx/html/include/page_tail.php(48): updates->notify_piwigo_new_versions()
#6 /usr/share/nginx/html/index.php(358): include('/usr/share/ngin...')
#7 {main}
thrown in /usr/share/nginx/html/include/emogrifier.class.php on line 406
