Fatal error: Uncaught Error: Class "Walker" not found in /opt/bitnami/wordpress/wp-includes/class-walker-page.php:17 Stack trace: #0 /opt/bitnami/wordpress/wp-settings.php(195): require() #1 /opt/bitnami/wordpress/wp-config.php(210): require_once('...') #2 /opt/bitnami/wordpress/wp-load.php(50): require_once('...') #3 /opt/bitnami/wordpress/wp-blog-header.php(13): require_once('...') #4 /opt/bitnami/wordpress/index.php(5): require('...') #5 {main} thrown in /opt/bitnami/wordpress/wp-includes/class-walker-page.php on line 17

Fatal error: Uncaught Error: Class "WP_Recovery_Mode" not found in /opt/bitnami/wordpress/wp-includes/error-protection.php:153 Stack trace: #0 /opt/bitnami/wordpress/wp-includes/class-wp-fatal-error-handler.php(51): wp_recovery_mode() #1 [internal function]: WP_Fatal_Error_Handler->handle() #2 {main} thrown in /opt/bitnami/wordpress/wp-includes/error-protection.php on line 153