PHP: <br />
<b>Fatal error</b>:  Uncaught Error: Class &quot;WP_HTML_Tag_Processor&quot; not found in /www/habi.gna.ch/doc/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:18
Stack trace:
#0 {main}
  thrown in <b>/www/habi.gna.ch/doc/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php</b> on line <b>18</b><br />