Fatal error: Uncaught Error: Class "WP_Theme" not found in /mnt/web315/c3/93/57520693/htdocs/WordPress_SecureMode_02/wp-includes/theme.php:133
Stack trace:
#0 /mnt/web315/c3/93/57520693/htdocs/WordPress_SecureMode_02/wp-settings.php(690): wp_get_theme()
#1 /mnt/web315/c3/93/57520693/htdocs/WordPress_SecureMode_02/wp-config.php(100): require_once('...')
#2 /mnt/web315/c3/93/57520693/htdocs/WordPress_SecureMode_02/wp-load.php(50): require_once('...')
#3 /mnt/web315/c3/93/57520693/htdocs/WordPress_SecureMode_02/wp-blog-header.php(13): require_once('...')
#4 /mnt/web315/c3/93/57520693/htdocs/WordPress_SecureMode_02/index.php(17): require('...')
#5 {main}
  thrown in /mnt/web315/c3/93/57520693/htdocs/WordPress_SecureMode_02/wp-includes/theme.php on line 133