Resolving dependencies... cabal: Could not resolve dependencies: trying: base-4.9.0.0/installed-4.9... (dependency of bamboo-launcher-2010.2.25) next goal: HaXml (dependency of rss-3000.1.0) rejecting: HaXml-1.25.3, HaXml-1.25.2, HaXml-1.25.1, HaXml-1.25, HaXml-1.24.1, HaXml-1.24, HaXml-1.23.3, HaXml-1.23.2, HaXml-1.23.1, HaXml-1.23, HaXml-1.22.5, HaXml-1.22.4, HaXml-1.22.3, HaXml-1.22.2, HaXml-1.22.1, HaXml-1.22, HaXml-1.20.2, HaXml-1.20.1, HaXml-1.20 (conflict: rss => HaXml>=1.19.2 && <1.20) trying: HaXml-1.19.7 next goal: polyparse (dependency of HaXml-1.19.7) rejecting: polyparse-1.12, polyparse-1.11, polyparse-1.10, polyparse-1.9, polyparse-1.8, polyparse-1.7, polyparse-1.6, polyparse-1.5, polyparse-1.4.1, polyparse-1.4, polyparse-1.3 (conflict: HaXml => polyparse==1.2) rejecting: polyparse-1.2 (conflict: base==4.9.0.0/installed-4.9..., polyparse => base<4.4) rejecting: polyparse-1.1, polyparse-1.0 (conflict: HaXml => polyparse==1.2) Backjump limit reached (currently 2000, change with --max-backjumps or try to run with --reorder-goals).