Comment #1 on issue 3534 by [email protected]: LargePositiveInteger(Object)>>error
http://code.google.com/p/pharo/issues/detail?id=3534

The problem with this bug is that I was hit by it 7 or 8 times since using
the Cog VM. Anytime when opening the world menu.

Unfortunately it is hard to reproduce manually, I can open the world menu afterwards without any problem.

The problem I see in the debugger is that instead of returning a Color instance (which would understand #pixelValueForDepth:) a large positive integer 4278190081 is returned from the expression "(colors at: i)" in the method ColorForm>>colormapIfNeededForDepth:




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