Following Warning is displayed after msfconsole input:

root@bt:~# msfconsole
[-] WARNING! The following modules could not be loaded!
[-] /opt/metasploit3/msf3/modules/post/windows/escalate/service_permissions.rb: NameError /opt/metasploit3/msf3/lib/active_support/dependencies.rb:105:in `const_missing': uninitialized constant Msf::Post::Registry

____________
< metasploit >
------------
\ ,__,
\ (oo)____
(__) )\
||--|| *


=[ metasploit v3.6.0-dev [core:3.6 api:1.0]
+ -- --=[ 645 exploits - 329 auxiliary
+ -- --=[ 216 payloads - 27 encoders - 8 nops
=[ svn r11827 updated today (2011.02.26)

msf >

this is on a fresh new installation, dist-upgraded like 6 hours ago.running BT4 R2

on the other side of the romm we have another machine running also BT4 R2 but with svn r11823 (updated 2011.02.25) displaying same warning (persistant usb installation)

any advices ?_?