Fatal error: Uncaught Error: Class 'Mongo' not found in /var/www/aua/sites/all/vendor/apache/log4php/src/main/php/appenders/LoggerAppenderMongoDB.php:125 Stack trace: #0 /var/www/aua/sites/all/vendor/apache/log4php/src/main/php/configurators/LoggerConfiguratorDefault.php(315): LoggerAppenderMongoDB->activateOptions() #1 /var/www/aua/sites/all/vendor/apache/log4php/src/main/php/configurators/LoggerConfiguratorDefault.php(201): LoggerConfiguratorDefault->configureAppender('default', Array) #2 /var/www/aua/sites/all/vendor/apache/log4php/src/main/php/configurators/LoggerConfiguratorDefault.php(84): LoggerConfiguratorDefault->doConfigure(Object(LoggerHierarchy), Array) #3 /var/www/aua/sites/all/vendor/apache/log4php/src/main/php/Logger.php(543): LoggerConfiguratorDefault->configure(Object(LoggerHierarchy), '/var/www/aua/si...') #4 /var/www/aua/sites/all/vendor/apache/log4php/src/examples/php/appender_mongodb.php(19): Logger::configure('/var/www/aua/si...') #5 {main} thrown in /var/www/aua/sites/all/vendor/apache/log4php/src/main/php/appenders/LoggerAppenderMongoDB.php on line 125