Resolving dependencies... cabal: Could not resolve dependencies: trying: live-sequencer-0.0.4 (user goal) trying: parsec-3.1.9 (dependency of live-sequencer-0.0.4) trying: mtl-2.2.1 (dependency of parsec-3.1.9) next goal: transformers (dependency of live-sequencer-0.0.4) rejecting: transformers-0.3.0.0/installed-16a... (conflict: mtl => transformers==0.4.*) rejecting: transformers-0.4.3.0, 0.4.2.0, 0.4.1.0, 0.4.0.0 (conflict: live-sequencer => transformers>=0.2.2 && <0.4) rejecting: transformers-0.3.0.0, 0.2.2.1, 0.2.2.0 (conflict: mtl => transformers==0.4.*) rejecting: transformers-0.2.1.0, 0.2.0.0, 0.1.4.0, 0.1.3.0, 0.1.1.0, 0.1.0.1, 0.1.0.0, 0.0.1.0, 0.0.0.0 (conflict: live-sequencer => transformers>=0.2.2 && <0.4) Dependency tree exhaustively searched.