I upgraded my 2.1.0 store from the Admin and the console stated it completed successfully. However my Admin and frontend are now displaying the following error:
Fatal error: Uncaught exception 'Magento\Framework\Exception\FileSystemException' with message 'The file "/home/extende/public_html/var/generation/Magento/Theme/Model/ResourceModel/Design/Config/CollectionFactory.php" cannot be deleted Warning!unlink(/home/extende/public_html/var/generation/Magento/Theme/Model/ResourceModel/Design/Config/CollectionFactory.php): Permission denied' in /home/extende/public_html/vendor/magento/framework/Filesystem/Driver/File.php:382 Stack trace: #0 /home/extende/public_html/vendor/magento/framework/Filesystem/Driver/File.php(405): Magento\Framework\Filesystem\Driver\File->deleteFile('/home/extende/p...') #1 /home/extende/public_html/vendor/magento/framework/Filesystem/Driver/File.php(403): Magento\Framework\Filesystem\Driver\File->deleteDirectory('/home/extende/p...') #2 /home/extende/public_html/vendor/magento/framework/Filesystem/Driver/File.php(403): Magento\Framework\Filesystem\Driver\File->deleteDirectory('/home/extende/p...') #3 /home/extende/public_html/vendor/magento/framework/Filesy in /home/extende/public_html/vendor/magento/framework/Filesystem/Driver/File.php on line 382