Php error 'require_once(HTMLPurifier/Bootstrap.php): Failed to open stream' after update to icingaweb2 to version 2.12.1

[moreamazingnick]

I think they moved something and your eventdb module requires an update.

Update icingaweb2 from 2.11 to 2.12 CentOS

Hey there! What you’re looking for has been moved to the icinga-php-thirdparty, this means you shouldn’t need it anymore