please update sci-astronomy/skychart-bin ebuild to current version 3.8.*
Created attachment 356842 [details, diff] output to skychart-bin-3.8.2450.ebuild
Created attachment 356848 [details] skychart-bin-3.8.2450.ebuild use skychart-bin-3.8.2450.ebuild and run $ ebuild skychart-bin-3.8.2450.ebuild digest in your /var/lib/layman/..../sci-astronomy/skychart-bin/