On Wednesday, 18 April 2018 09:16:07 CEST Andreas Tille wrote: > Backend error: Can't use an undefined value as a HASH reference at > /usr/share/perl5/Config/Model/Warper.pm line 175. I've fixed this[1] and released on CPAN yesterday I'll upload soon. All the best [1]] https://github.com/dod38fr/config-model/commit/ e50952b7d1df7c0cf2a42bf82ded81f0e8439640