Fatal error: Uncaught Error: Class 'WP_CLI_Command' not found in /var/www/html/wp-content/plugins/one-click-demo-import/inc/WPCLICommands.php:12 Stack trace: #0 {main} thrown in /var/www/html/wp-content/plugins/one-click-demo-import/inc/WPCLICommands.php on line 12