(gtk-window-decorator:5944): Wnck-WARNING **: Unhandled action type (nil)

there are no window decorations.
I'm using Ubuntu 7.04
compiz 0.5.1

wouter@wouter-desktop:~$ fusion-icon
* Using the GTK Interface
Backend : ini
Integration : true
Profile : default
Adding plugin decoration (decoration)
Initializing decoration options...done
* Searching for installed applications...
/usr/bin/compiz.real
/usr/local/bin/ccsm
/usr/local/bin/compiz
/usr/local/bin/gtk-window-decorator
/usr/local/bin/emerald
/usr/bin/metacity
/usr/bin/kwin
* gnome session
* No GLX_EXT_texture_from_pixmap present with direct rendering context
... present with indirect rendering, exporting: LIBGL_ALWAYS_INDIRECT=1
* Executing: compiz.real --replace --sm-disable --ignore-desktop-hints ccp --indirect-rendering
Backend : ini
Integration : true
Profile : default
Adding plugin shift (shift)
Adding plugin 3d (3d)
Adding plugin ezoom (ezoom)
Adding plugin colorfilter (colorfilter)
Adding plugin atlantis (atlantis)
Adding plugin screensaver (screensaver)
Adding plugin winrules (winrules)
Adding plugin snap (snap)
Adding plugin screenshot (screenshot)
Adding plugin resize (resize)
Adding plugin firepaint (firepaint)
Adding plugin scale (scale)
Adding plugin fs (fs)
Adding plugin water (water)
Adding plugin cubereflex (cubereflex)
Adding plugin reflex (reflex)
Adding plugin snow (snow)
Adding plugin showdesktop (showdesktop)
Adding plugin fakeargb (fakeargb)
Adding plugin inotify (inotify)
Adding plugin regex (regex)
Adding plugin animation (animation)
Adding plugin scalefilter (scalefilter)
Adding plugin rotate (rotate)
Adding plugin place (place)
Adding plugin annotate (annotate)
Adding plugin plane (plane)
Adding plugin group (group)
Adding plugin ring (ring)
Adding plugin expo (expo)
Adding plugin resizeinfo (resizeinfo)
Adding plugin text (text)
Adding plugin switcher (switcher)
Adding plugin tile (tile)
Adding plugin put (put)
Adding plugin splash (splash)
Adding plugin thumbnail (thumbnail)
Adding plugin minimize (minimize)
Adding plugin imgjpeg (imgjpeg)
Adding plugin cube (cube)
Adding plugin png (png)
Adding plugin dbus (dbus)
Adding plugin extrawm (extrawm)
Adding plugin clone (clone)
Adding plugin fade (fade)
Adding plugin mblur (mblur)
Adding plugin fadedesktop (fadedesktop)
Adding plugin scaleaddon (scaleaddon)
Adding plugin opacify (opacify)
Adding plugin video (video)
Adding plugin addhelper (addhelper)
Adding plugin crashhandler (crashhandler)
Adding plugin svg (svg)
Adding plugin decoration (decoration)
Adding plugin wall (wall)
Adding plugin bench (bench)
Adding core settings (General Options)
Adding plugin trailfocus (trailfocus)
Adding plugin move (move)
Adding plugin glib (glib)
Adding plugin vpswitch (vpswitch)
Adding plugin zoom (zoom)
Adding plugin gotovp (gotovp)
Adding plugin neg (neg)
Adding plugin wobbly (wobbly)
Adding plugin blur (blur)
Initializing core options...done
Initializing resize options...done
Initializing place options...done
Initializing ring options...done
Initializing thumbnail options...done
Initializing minimize options...done
Initializing imgjpeg options...done
Initializing decoration options...done
Initializing move options...done

(gtk-window-decorator:5944): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:5944): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:5944): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:5944): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:5944): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:5944): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:5944): Wnck-WARNING **: Unhandled action type (nil)

(gtk-window-decorator:5944): Wnck-WARNING **: Unhandled action type (nil)
Initializing zoom options...done
Initializing wobbly options...done
Initializing fade options...done
Initializing cube options...done