Fatal error: Uncaught Symfony\Component\Debug\Exception\UndefinedFunctionException: Attempted to call function "simplexml_load_file" from namespace "Doctrine\ORM\Mapping\Driver". in /var/www/html/adslisting.q-dev.co/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php:814 Stack trace: #0 /var/www/html/adslisting.q-dev.co/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/FileDriver.php(115): Doctrine\ORM\Mapping\Driver\XmlDriver->loadMappingFile('/var/www/html/a...') #1 /var/www/html/adslisting.q-dev.co/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php(58): Doctrine\Common\Persistence\Mapping\Driver\FileDriver->getElement('FOS\\UserBundle\\...') #2 /var/www/html/adslisting.q-dev.co/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/Driver/MappingDriverChain.php(102): Doctrine\ORM\Mapping\Driver\XmlDriver->loadMetadataForClass('FOS\\UserBundle\\...', Object(Doctrine\ORM\Mapping\ClassMetadata)) #3 /var/www/html/adslisting.q-dev.co/vendor/doctrine/orm/lib/Doctrine/O in /var/www/html/adslisting.q-dev.co/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php on line 814