Fatal error: Uncaught Error: Class "Text_Diff_Renderer" not found in C:\xampp\htdocs\canman.ee\wp-includes\class-wp-text-diff-renderer-table.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\canman.ee\wp-includes\class-wp-text-diff-renderer-table.php on line 17