404 error page after hiding product-category slug

after i used this code: add_filter(‘request’, function( $vars ) { global $wpdb; if(isset($vars[‘error’])){ $lastVar = basename($_SERVER[‘REQUEST_URI’]); $vars[‘attachment’] = $lastVar; } if( ! empty( $vars[‘pagename’] ) || ! empty( $vars[‘category_name’] ) || ! empty( $vars[‘name’] ) || ! empty( $vars[‘attachment’] ) ) { $slug = ! empty( $vars[‘pagename’] ) ? $vars[‘pagename’] : ( ! empty( $vars[‘name’]…

Is anyone know (dsl:’less’) config snippet in @magento_root/dev/tools/grunt/configs/theme.js?

recently, I am use Grunt to develop magento store themes, but have question in the program config at @magento_root/dev/tools/configs/themes.js below: module.exports = { blank: { area: ‘frontend’, name: ‘Magento/blank’, locale: ‘en_US’, files: [ ‘css/styles-m’, ‘css/styles-l’, ‘css/email’, ‘css/email-inline’ ], dsl: ‘less’ }, } So, I hope someone can help me… after 5 minitues, I find and…