Hi,
Your server is missing some php packages, specifically the php-xml package.
If you manage your own server, make sure all php related packages are installed, else request from your web hosting company to install all php extensions available on the repositories.
For PHP 7 on Debian Linux, these are standard:
php7.0-cli php7.0-common php7.0-curl php7.0-fpm php7.0-gd php7.0-gmp php7.0-imagick php7.0-imap php7.0-intl php7.0-json php7.0-mcrypt php7.0-memcached php7.0-mysql php7.0-opcache php7.0-pgsql php7.0-recode php7.0-redis php7.0-tidy php7.0-xmlrpc php7.0-xsl php7.0-xml php7.0-zip php7.0-mbstring php7.0-bcmath
If they refuse to install, you are probably on shared hosting.
In that sense, I recommend you to move somewhere else because this should really be installed in every server when they install php. Even Godaddy and other cheap shared hosting plans have this.
You can also do it via WHM control panel if you have it, but I would recommend not to fiddle with it if you’re not a sysadmin.
Regards,
Raul
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This reply was modified 7 years, 6 months ago by Raul P..