Undefined subroutine &virtual_server::

After recent update to wbm-virtual-server:

on Features and Plugins, Server Templates I get Perl errors:

HTTP/1.0 500 Perl execution failed Server: MiniServ/1.660 Date: Mon, 3 Feb 2014 17:50:13 GMT Content-type: text/html; Charset=iso-8859-1 Connection: close

Error - Perl execution failed

Undefined subroutine &virtual_server::ui_link called at /usr/libexec/webmin/virtual-server/edit_newfeatures.cgi line 22.

I have stopped Webmin, killed all miniserv.pl processes, restarted Webmin... to no effect.

Operating system Amazon Linux 2012

Webmin version 1.660

Virtualmin version 4.05 Pro

Theme version 8.7

Kernel and CPU Linux 3.4.76-65.111.amzn1.x86_64 on x86_64

Perl version 5.010001 (5.10.1-136.21amzn1)