Fatal error: Uncaught Error: Class "WP_Export_Base_Writer" not found in /home/diamebua/beta/releases/20140218040015/vendor/wp-cli/export-command/src/WP_Export_XML_Over_HTTP.php:4 Stack trace: #0 {main} thrown in /home/diamebua/beta/releases/20140218040015/vendor/wp-cli/export-command/src/WP_Export_XML_Over_HTTP.php on line 4