Perl error when adding a forward email adres

hello,

When I add a forward email adres to a user I get a Perl error:

Error - Perl execution failed
Undefined subroutine &postfix::rebuild_map_cmd called at /usr/libexec/webmin/postfix/aliases-lib.pl line 239.

Regards,

Martin Koekenberg

Status: 
Closed (fixed)