Fatal error: Uncaught Symfony\Component\Debug\Exception\ClassNotFoundException: Attempted to load class "Cassandra" from the global namespace. Did you forget a "use" statement? in /home/fuse4dev/dev.fuse4-server/vendor/deasilworks/cef/src/CEFConfig.php:82 Stack trace: #0 /home/fuse4dev/dev.fuse4-server/vendor/deasilworks/cef/src/ServiceProvider/Silex/CEFServiceProvider.php(59): deasilworks\CEF\CEFConfig->__construct(Object(deasilworks\CFG\CFG)) #1 /home/fuse4dev/dev.fuse4-server/vendor/pimple/pimple/src/Pimple/Container.php(118): deasilworks\CEF\ServiceProvider\Silex\CEFServiceProvider->deasilworks\CEF\ServiceProvider\Silex\{closure}(Object(Silex\Application)) #2 /home/fuse4dev/dev.fuse4-server/vendor/deasilworks/cms/src/ServiceProvider/Silex/CMSServiceProvider.php(52): Pimple\Container->offsetGet('deasilworks.cef') #3 [internal function]: deasilworks\CMS\ServiceProvider\Silex\CMSServiceProvider->deasilworks\CMS\ServiceProvider\Silex\{closure}() #4 /home/fuse4dev/dev.fuse4-server/vendor/symfony/http-kernel/HttpKernel.php( in /home/fuse4dev/dev.fuse4-server/vendor/deasilworks/cef/src/CEFConfig.php on line 82