Fatal error: Uncaught Error: Call to undefined function wp_cache_add_non_persistent_grouos() in /home/ivyusa/wordpress/wp-includes/load.php:879 Stack trace: #0 /home/ivyusa/wordpress/wp-settings.php(131): wp_start_object_cache() #1 /home/ivyusa/wordpress/wp-config.php(202): require_once('/home/ivyusa/wo...') #2 /home/ivyusa/wordpress/wp-load.php(50): require_once('/home/ivyusa/wo...') #3 /home/ivyusa/wordpress/wp-blog-header.php(13): require_once('/home/ivyusa/wo...') #4 /home/ivyusa/wordpress/index.php(17): require('/home/ivyusa/wo...') #5 {main} thrown in /home/ivyusa/wordpress/wp-includes/load.php on line 879

Fatal error: Uncaught Error: Class 'WP_Textdomain_Registry' not found in /home/ivyusa/wordpress/wp-includes/load.php:1487 Stack trace: #0 /home/ivyusa/wordpress/wp-includes/class-wp-fatal-error-handler.php(174): wp_load_translations_early() #1 /home/ivyusa/wordpress/wp-includes/class-wp-fatal-error-handler.php(154): WP_Fatal_Error_Handler->display_default_error_template() #2 /home/ivyusa/wordpress/wp-includes/class-wp-fatal-error-handler.php(58): WP_Fatal_Error_Handler->display_error_template() #3 [internal function]: WP_Fatal_Error_Handler->handle() #4 {main} thrown in /home/ivyusa/wordpress/wp-includes/load.php on line 1487