[Openmcl-devel] Crash on launch after upgrade to macOS 10.15.2

[Dan S. Camper]

ccl no longer consistently launches after upgrading my laptop with the latest software update.  If it dies on launch, the AltConsole pops up with a variation of the following:

> Error: #<A Foreign Pointer #x1A26E40> has no slot named GUI::PEER.
> While executing: #<CCL::STANDARD-KERNEL-METHOD SLOT-MISSING (T T T T)>, in process Initial(0).
> Type :POP to abort, :R for a list of available restarts.
> Type :? for other options.
1 > 

Every once in awhile, the listener actually launches.  Launching with the shift key held down generally produces a listener, but no always.  A subsequent crash (with an AltConsole and the same error) is near-certain when attempting to do pretty much anything, though.

Thoughts on a cause, and a workaround?

Thanks,

DSC

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Dan S. Camper
Thaumaturge