Fatal error: Uncaught Error: Class "Text_Diff_Renderer" not found in /home/pacs/vcg00/users/compgen.de/wordpress/wp-includes/class-wp-text-diff-renderer-table.php:17 Stack trace: #0 {main} thrown in /home/pacs/vcg00/users/compgen.de/wordpress/wp-includes/class-wp-text-diff-renderer-table.php on line 17