help me for Error - Perl execution failed

Error - Perl execution failed

I installed CentOS 6.4

And had update with yum update --exclude=kernel*

I installed virtualmin with install.sh.

I met below error in System Settings / Features and Plugins

Features and Plugins

This page allows you to select the core features and plugins that are available for use by virtual servers. The checkbox in the first column determines if it is available at all, while the box in the Default column controls whether or not it is enabled by default.
HTTP/1.0 500 Perl execution failed Server: MiniServ/1.690 Date: Sun, 7 Sep 2014 02:46:49 GMT Content-type: text/html; Charset=iso-8859-1 Connection: close

Error - Perl execution failed
Undefined subroutine &virtual_server::ui_img called at /usr/libexec/webmin/virtual-server/edit_newfeatures.cgi line 29.