Resolving dependencies... cabal: Could not resolve dependencies: trying: reflex-dom-contrib-0.2 (user goal) trying: reflex-dom-0.2 (dependency of reflex-dom-contrib-0.2) trying: these-0.6.1.0 (dependency of reflex-dom-0.2) trying: semigroupoids-5.0.0.4 (dependency of these-0.6.1.0) next goal: bifunctors (dependency of reflex-dom-contrib-0.2) rejecting: bifunctors-5.1 (conflict: reflex-dom-contrib => bifunctors>=4.0 && <5.1) rejecting: bifunctors-5 (conflict: reflex-dom => bifunctors==4.2.*) rejecting: bifunctors-4.2.1, 4.2 (conflict: semigroupoids => bifunctors>=5 && <6) rejecting: bifunctors-4.1.1.1, 4.1.1, 4.1.0.1, 4.1, 4.0 (conflict: reflex-dom => bifunctors==4.2.*) rejecting: bifunctors-3.2.0.1, 3.2, 3.1, 3.0.4, 3.0.3, 3.0.2, 3.0.1, 3.0, 0.1.3.3, 0.1.3.1, 0.1.3, 0.1.2, 0.1.1.3, 0.1.1.2, 0.1.1.1, 0.1.1, 0.1 (conflict: reflex-dom-contrib => bifunctors>=4.0 && <5.1) Backjump limit reached (change with --max-backjumps).