Seems to be a problem with your X11 installation. Googling for "unknown color name" produces an apparent solution: Tk + unknown color name "Black" - Ubuntu Forums --Eric Eric Pettersen UCSF Computer Graphics Lab http://www.cgl.ucsf.edu On Sep 3, 2008, at 2:42 AM, Jean-Paul Armache wrote:

Hello,

Due to some long needed changes, I have switched to CentOS 5.2. Everything was fine for some time, but then, when trying to run Chimera, I encountered the following error (applies to all versions of Chimera on my harddrive - 1.2470, 1.2492 and 1.2540):

Traceback (most recent call last): File "/opt/chimera/chimera1.2492/share/__main__.py", line 65, in ? value = chimeraInit.init(sys.argv) File "/opt/chimera/chimera1.2492/share/chimeraInit.py", line 302, in init splash.create() File "/opt/chimera/chimera1.2492/share/chimera/splash.py", line 17, in create splash = Tk.Frame(root, background="white") File "/opt/chimera/chimera1.2492/lib/python2.4/lib-tk/Tkinter.py", line 2375, in __init__ Widget.__init__(self, master, 'frame', cnf, {}, extra) File "/opt/chimera/chimera1.2492/lib/python2.4/lib-tk/Tkinter.py", line 1862, in __init__ self.tk.call( _tkinter.TclError: unknown color name "white"

I have tkinter installed, python running properly, everything functional. Except for that. Do you know what could be done to fix it? Best,

Jean-Paul

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