Nginx SSL website failed! Error

I got this on Setting Up a new Virtual Server (not ive not used Nginx before so no idea if this is good or bad) Cheers Mike

Creating administration group xencored .. .. done Creating administration user xencored .. .. done

Creating aliases for administration user .. .. done

Adding administration user to groups .. .. done

Creating home directory .. .. done

Creating mailbox for administration user .. .. done

Adding new DNS zone .. .. done

Adding to email domains list .. .. done

Adding default mail aliases .. .. done

Creating Nginx virtual host .. .. done

Starting PHP FastCGI server .. .. done

Adding webserver user www-data to server's group .. .. done

Setting up scheduled Webalizer reporting .. .. done

Setting up log file rotation .. .. done

Creating MySQL login .. .. done

Creating MySQL database xencored .. .. done

Setting up spam filtering .. .. done

Setting up virus filtering .. .. done

.. Nginx SSL website failed! : virtualmin-nginx-ssl::feature_setup failed : Undefined subroutine &virtual_server::find_chained_certificate called at /usr/share/webmin/virtualmin-nginx-ssl/virtual_feature.pl line 152.

Creating Webmin user .. .. done

Re-starting DNS server .. .. done

Applying Nginx configuration .. .. done

Re-loading Webmin .. .. done

Saving server details .. .. done