- Plesk Onyx for Linux
Plesk Roundcube webmail is not accessible.
The error below can be seen in the
CONFIG_TEXT: PHP Fatal error: Uncaught Error: Class 'DOMDocument' not found in /usr/share/psa-roundcube/program/lib/Roundcube/rcube_washtml.php:499
PHP 7.2 is used as OS default PHP interpreter
php-xml module was not loaded or corrupted.
Connect to the server via SSH
Either re-install php-xml module
# apt-get install php-xml
- Change the PHP handler for the RoundCube webmail by following instructions from the KB article: How to change a PHP version for webmail on Plesk for Linux