On Thu, 28 Feb 2019, Allin Cottrell wrote:
I'm looking into the relevant code. Give me an hour or two and I
might have something. [...]
Well, I haven't found any smoking gun in the code. But I've taken some
steps to try to increase robustness, and to provide a more informative
error message in case of failure. That work is now in the snapshots.
Allin