( ! ) Fatal error: Uncaught Symfony\Component\Filesystem\Exception\IOException: Unable to write to the "yaml" directory. in /var/www/html/steppix-origin/vendor/symfony/symfony/src/Symfony/Component/Filesystem/Filesystem.php on line 680
( ! ) Symfony\Component\Filesystem\Exception\IOException: Unable to write to the "yaml" directory. in /var/www/html/steppix-origin/vendor/symfony/symfony/src/Symfony/Component/Filesystem/Filesystem.php on line 680
Call Stack
#	Time	Memory	Function	Location
1	0.0015	356608	{main}( )	.../index.php:0
2	0.0050	359472	require( '/var/www/html/steppix-origin/config/config.inc.php )	.../index.php:27
3	0.1180	673848	ShopCore::initialize( )	.../config.inc.php:128
4	0.1279	1527544	ShopCore->__construct( $id = '1', $id_lang = ???, $id_shop = ??? )	.../Shop.php:415
5	0.1309	1433736	ShopCore->setTheme( )	.../Shop.php:137
6	0.1336	1440400	PrestaShop\PrestaShop\Core\Addon\Theme\ThemeRepository->getInstanceByName( $name = 'steppix' )	.../Shop.php:495
7	0.1349	1471976	PrestaShop\PrestaShop\Core\Addon\Theme\Theme->__construct( $attributes = ['name' => 'steppix', 'display_name' => 'BelVG', 'version' => '1.0.0', 'author' => ['name' => 'BelVG', 'url' => 'https://www.belvg.com'], 'meta' => ['compatibility' => [...], 'available_layouts' => [...]], 'assets' => ['css' => [...]], 'global_settings' => ['hooks' => [...], 'image_types' => [...]], 'theme_settings' => ['default_layout' => 'layout-full-width', 'layouts' => [...]], 'preview' => 'themes/classic/preview.png', 'parent_directory' => '/var/www/html/steppix/themes/steppix/', 'parent' => 'classic', 'directory' => '/var/www/html/steppix-origin/themes/steppix'] )	.../ThemeRepository.php:93
8	0.1363	1547272	PrestaShop\PrestaShop\Core\Util\File\YamlParser->parse( $sourceFile = '/var/www/html/steppix-origin/themes//classic/config/theme.yml', $forceRefresh = ??? )	.../Theme.php:43
9	0.1461	1585464	Symfony\Component\Config\ResourceCheckerConfigCache->write( $content = '<?php return array (\n \'name\' => \'classic\',\n \'display_name\' => \'Classic\',\n \'version\' => \'1.0.0\',\n \'author\' => \n array (\n \'name\' => \'PrestaShop Team\',\n \'email\' => \'pub@prestashop.com\',\n \'url\' => \'https://www.prestashop.com\',\n ),\n \'meta\' => \n array (\n \'compatibility\' => \n array (\n \'from\' => \'1.7.0.0\',\n \'to\' => NULL,\n ),\n \'available_layouts\' => \n array (\n \'layout-full-width\' => \n array (\n \'na', $metadata = [0 => class Symfony\Component\Config\Resource\FileResource { private $resource = '/var/www/html/steppix-origin/themes/classic/config/theme.yml' }] )	.../YamlParser.php:92
10	0.1461	1585504	Symfony\Component\Filesystem\Filesystem->dumpFile( $filename = 'yaml/5e23ba379b913a19a856485ae175f324.php', $content = '<?php return array (\n \'name\' => \'classic\',\n \'display_name\' => \'Classic\',\n \'version\' => \'1.0.0\',\n \'author\' => \n array (\n \'name\' => \'PrestaShop Team\',\n \'email\' => \'pub@prestashop.com\',\n \'url\' => \'https://www.prestashop.com\',\n ),\n \'meta\' => \n array (\n \'compatibility\' => \n array (\n \'from\' => \'1.7.0.0\',\n \'to\' => NULL,\n ),\n \'available_layouts\' => \n array (\n \'layout-full-width\' => \n array (\n \'na' )	.../ResourceCheckerConfigCache.php:124