My issue might be similar.



$ uname -a
OpenBSD laxar.laxask 6.2 GENERIC.MP#134 amd64
$ httrack -O setec <http://setec.org/> -%e3 +\*
There is an index.html and a hts-cache folder in the directory setec/
A site may have been mirrored here, that could mean that you want to update
it
Be sure parameters are ok

Press <Y><Enter> to confirm, <N><Enter> to abort

Mirror launched on Mon, 07 May 2018 15:17:25 by HTTrack Website Copier/3.48-21
[XR&CO'2014]
mirroring <http://setec.org/> +* with the wizard help..
*
www.powells.com/cgi-bin/partner?partner_id=23311&cgi=search/search/&searchtype=kw&searchfor=Raym
20/21: www.powells.com/?partnerid=23311 (95877 bytes) - OK
Caught signal 11
No stack trace available on this OS :(

Please report the problem at <http://forum.httrack.com>
Abort trap (core dumped)



Note that I had already successfully run the same command except with -%e2
instead of -%e3.
I have the core dump and could distribute it in private.

Thank you for producing httrack.