Fatal error: Uncaught Magento\Framework\Exception\FileSystemException: The "/home/www/nico/var/.regenerate" file can't be deleted. Warning!unlink(/home/www/nico/var/.regenerate): Permission denied in /home/www/nico/vendor/magento/framework/Filesystem/Driver/File.php:383 Stack trace: #0 /home/www/nico/vendor/magento/framework/Filesystem/Directory/Write.php(184): Magento\Framework\Filesystem\Driver\File->deleteFile('/home/www/nico/...') #1 /home/www/nico/vendor/magento/framework/Code/GeneratedFiles.php(99): Magento\Framework\Filesystem\Directory\Write->delete('/var/.regenerat...') #2 /home/www/nico/vendor/magento/framework/App/ObjectManagerFactory.php(111): Magento\Framework\Code\GeneratedFiles->cleanGeneratedFiles() #3 /home/www/nico/vendor/magento/framework/App/Bootstrap.php(210): Magento\Framework\App\ObjectManagerFactory->create(Array) #4 /home/www/nico/vendor/magento/framework/App/Bootstrap.php(125): Magento\Framework\App\Bootstrap->__construct(Object(Magento\Framework\App\ObjectManagerFactory), '/home/www/nico', Array in /home/www/nico/vendor/magento/framework/Filesystem/Driver/File.php on line 383