On Sat, Jan 23, 2021 at 04:29:54PM -0500, Mark H Weaver wrote: > Presumably the problem is that you're using a certain 3rd-party channel > that relies upon the 'node-10.22' variable, which was removed in the > following commit on the 'ungrafting' branch (later merged into > 'staging'): > > https://git.sv.gnu.org/cgit/guix.git/commit/?h=staging&id=18f10c0b12dd369507fd2821dcf748fc9b13053a
This hypothesis was confirmed on the #guix IRC channel.