Refusing to add non-unique action 'dynamic1' to action group 'BookmarksGroup'

[dino99]

Oneiric i386

how it have happened:
- bookmark a url link
- try to drag & drop this bookmark to an other subfolder, but cant: seems its lost

and find this logged:
(nautilus:1539): Gtk-WARNING **: Refusing to add non-unique action 'dynamic1' to action group 'BookmarksGroup'

(nautilus:1539): Gtk-WARNING **: Refusing to add non-unique action 'dynamic2' to action group 'BookmarksGroup'

(nautilus:1539): Gtk-WARNING **: Refusing to add non-unique action 'dynamic3' to action group 'BookmarksGroup'

(nautilus:1539): Gtk-WARNING **: Refusing to add non-unique action 'dynamic5' to action group 'BookmarksGroup'

(nautilus:1539): Gtk-WARNING **: Refusing to add non-unique action 'dynamic6' to action group 'BookmarksGroup'

(nautilus:1539): Gtk-WARNING **: Refusing to add non-unique action 'dynamic7' to action group 'BookmarksGroup'

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: firefox 7.0~b2+build1+nobinonly-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-9.14-generic-pae 3.0.3
Uname: Linux 3.0.0-9-generic-pae i686
NonfreeKernelModules: nvidia
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: oem 1497 F.... pulseaudio
BuildID: 20110825191028
CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfebfc000 irq 47'
   Mixer name : 'Realtek ALC882'
   Components : 'HDA:10ec0882,1043e601,00100101'
   Controls : 44
   Simple ctrls : 25
Channel: beta
Date: Tue Aug 30 09:48:47 2011
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
IncompatibleExtensions: NoScript - ID={73a6fe31-595d-460b-a920-fcc0f8843232}, Version=2.1.2.7rc2, minVersion=1.9a2, maxVersion=1.9.6, Location=app-profile, Type=extension, Active=Yes
IpRoute:
 default via 192.168.1.1 dev eth0 proto static
 169.254.0.0/16 dev eth0 scope link metric 1000
 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.3
IwConfig:
 lo no wireless extensions.

 eth0 no wireless extensions.

 eth1 no wireless extensions.
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=7.0/20110825191028 (Running)
RfKill:

RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:

WpaSupplicantLog:

dmi.bios.date: 10/22/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3001
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5W DH Deluxe
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3001:bd10/22/2009:svnASUSTEKCOMPUTERINC:pnP5WDHDeluxe:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5WDHDeluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5W DH Deluxe
dmi.product.version: System Version
dmi.sys.vendor: ASUSTEK COMPUTER INC