PHP:
Fatal error: Uncaught Error: Class "Text_Diff_Renderer" not found in /www/habi.gna.ch/doc/wp-includes/class-wp-text-diff-renderer-table.php:17
Stack trace:
#0 {main}
thrown in /www/habi.gna.ch/doc/wp-includes/class-wp-text-diff-renderer-table.php on line 17