Fatal error: Uncaught Error: Class "Text_Diff_Renderer" not found in C:\xampp\htdocs\alumni-rmutr\wp-includes\class-wp-text-diff-renderer-table.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\alumni-rmutr\wp-includes\class-wp-text-diff-renderer-table.php on line 16