Error on "Virtualmin Package Updates"

After update to Webmin 1.460, "Virtualmin Package Updates" show this error

[code:1]Undefined subroutine &webmin::list_keys called at /usr/share/webmin-1.460/webmin/webmin-lib.pl line 591, <12370533442307> line 12.[/code:1]

Anyone can help me? Tnx

I think you should file a ticket in the bugtracker