Fatal error: Uncaught Error: Class "WP_Customize_Control" not found in C:\xampp\htdocs\canman.ee\wp-includes\customize\class-wp-sidebar-block-editor-control.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\canman.ee\wp-includes\customize\class-wp-sidebar-block-editor-control.php on line 18