GtkTreeView::odd-row-color failed to retrieve Gdkcolor

[dino99]

Binary package hint: gnome-themes

Lucid updated

got this message into .xsession-errors

Gtk-Message: (for origin information, set GTK_DEBUG): failed to retrieve property `GtkTreeView::odd-row-color' of type `GdkColor' from rc file value "((GString*) 0x890a410)" of type `GString'

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: gnome-themes 2.30.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic-pae 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic-pae i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Fri Apr 2 10:10:41 2010
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.utf8
 SHELL=/bin/bash
SourcePackage: gnome-themes

[dino99 (9d9)]

what i have done:

as the latest default theme installed when upgrading Lucid is too dark for me, i've tested the other themes proposed, choosed one then followed the different tabs and choose again my preferences.

So its a custom theme.