DemoDots error message

1
I finally was able to close the black window using Screen('CloseAll')

The error message that I saw that I can't figure out is

DemoDots
??? Invalid command (error state J)

Error in ==> initScreen at 44
SCREEN(CUR_WINDOW, 'SetClut', DOTS_CLUT);

Error in ==> DemoDots at 19
initScreen(35, 60, 8, 0);

I don' know if this matters, but I'm running on 1024x768 with millions of colors at 85 Hz.
I've tried it with 256 colors, but it still just makes the black window and error.

All help is GREATLY appreciated!

-Gem V