Resolving dependencies... cabal: Could not resolve dependencies: next goal: internetmarke (user goal) rejecting: internetmarke-0.0.3, 0.0.2 (global constraint requires ==0.0.1) trying: internetmarke-0.0.1 trying: base-4.8.1.0/installed-4f7... (dependency of internetmarke-0.0.1) next goal: parsec (dependency of internetmarke-0.0.1) rejecting: parsec-3.1.9, 3.1.8, 3.1.7, 3.1.6, 3.1.5, 3.1.4, 3.1.3, 3.1.2, 3.1.1, 3.1.0, 3.0.1, 3.0.0 (conflict: internetmarke => parsec>=2.1 && <2.2) rejecting: parsec-2.1.0.1, 2.1.0.0 (conflict: base==4.8.1.0/installed-4f7..., parsec => base<4.8) rejecting: parsec-2.0 (conflict: internetmarke => parsec>=2.1 && <2.2) Dependency tree exhaustively searched.