Fatal error: Uncaught exception 'Symfony\Component\Filesystem\Exception\IOException' with message 'Failed to remove directory "/mnt/stor1-wc1-dfw1/377407/www.invocation.co/web/content/app/cache/prod/annotations/71": rmdir(/mnt/stor1-wc1-dfw1/377407/www.invocation.co/web/content/app/cache/prod/annotations/71): Directory not empty.' in /mnt/stor1-wc1-dfw1/377407/www.invocation.co/web/content/vendor/symfony/symfony/src/Symfony/Component/Filesystem/Filesystem.php:179 Stack trace: #0 /mnt/stor1-wc1-dfw1/377407/www.invocation.co/web/content/lib/Zikula/Bundle/CoreBundle/CacheClearer.php(108): Symfony\Component\Filesystem\Filesystem->remove(Object(FilesystemIterator)) #1 /mnt/stor1-wc1-dfw1/377407/www.invocation.co/web/content/system/RoutesModule/Helper/MultilingualRoutingHelper.php(120): Zikula\Bundle\CoreBundle\CacheClearer->clear('symfony') #2 /mnt/stor1-wc1-dfw1/377407/www.invocation.co/web/content/lib/Zikula/Bundle/CoreInstallerBundle/EventListener/InstallUpgradeCheckListener.php(61): Zikula\RoutesModule\Helper\MultilingualR in /mnt/stor1-wc1-dfw1/377407/www.invocation.co/web/content/vendor/symfony/symfony/src/Symfony/Component/Filesystem/Filesystem.php on line 179