cloning site error, Missing file to read at virtual_server::/usr/share/webmin/virtual-server/feature-web.pl line 3716

hi,

when i clone a guest in the last virtualmin in debian sqqueeze i got an error and the site is not correctly duplicated. Here is the logs i had:

Missing file to read at
virtual_server::/usr/share/webmin/virtual-server/feature-web.pl line 3716
Error: Missing file to open at
WebminCore::/usr/share/webmin/web-lib-funcs.pl line 3039

debug:
File: /usr/share/webmin/web-lib-funcs.pl Line: 8361 Function:
WebminCore::error
File: /usr/share/webmin/web-lib-funcs.pl Line: 3039 Function:
WebminCore::open_tempfile
File: /usr/share/webmin/virtual-server/feature-web.pl Line: 3720
Function: WebminCore::flush_file_lines
File: /usr/share/webmin/virtual-server/feature-web.pl Line: 460
Function: virtual_server::modify_web_home_directory
File: /usr/share/webmin/virtual-server/virtual-server-lib-funcs.pl Line:
9593 Function: virtual_server::clone_web
File: /usr/share/webmin/virtual-server/virtual-server-lib-funcs.pl Line:
9593 Function: (eval)
File: /usr/share/webmin/virtual-server/virtual-server-lib-funcs.pl Line:
15559 Function: virtual_server::try_function
File: /usr/share/webmin/virtual-server/clone.cgi Line: 67 Function:
virtual_server::clone_virtual_server
File: (eval 55) Line: 6 Function: (eval)
File: /usr/share/webmin/miniserv.pl Line: 2325 Function: (eval)
File: /usr/share/webmin/miniserv.pl Line: 909 Function:
miniserv::handle_request

seems it cannot get the path of the apache file to modify. Do anyone has the same or is it something on my install that is wrong ?

regards,
Ghislain.