Fatal error: Uncaught Error: Class 'DOMDocument' not found in /srv/www/matthphoto/htdocs/include/emogrifier.class.php:406
Stack trace:
#0 /srv/www/matthphoto/htdocs/include/emogrifier.class.php(233): Emogrifier->createXmlDocument()
#1 /srv/www/matthphoto/htdocs/include/functions_mail.inc.php(955): Emogrifier->emogrify()
#2 /srv/www/matthphoto/htdocs/include/functions_mail.inc.php(853): move_css_to_body()
#3 /srv/www/matthphoto/htdocs/include/functions_mail.inc.php(458): pwg_mail()
#4 /srv/www/matthphoto/htdocs/admin/include/updates.class.php(212): pwg_mail_admins()
#5 /srv/www/matthphoto/htdocs/include/page_tail.php(48): updates->notify_piwigo_new_versions()
#6 /srv/www/matthphoto/htdocs/index.php(358): include('/srv/www/matthp...')
#7 {main}
thrown in /srv/www/matthphoto/htdocs/include/emogrifier.class.php on line 406