Resolving dependencies... cabal: Could not resolve dependencies: next goal: OpenAFP-Utils (user goal) rejecting: OpenAFP-Utils-1.4.1.3, OpenAFP-Utils-1.4.1.2, OpenAFP-Utils-1.4.1.1, OpenAFP-Utils-1.4.1, OpenAFP-Utils-1.4.0, OpenAFP-Utils-1.3.1.2, OpenAFP-Utils-1.3.1.1, OpenAFP-Utils-1.3.1 (constraint from user target requires ==1.3) trying: OpenAFP-Utils-1.3 next goal: base (dependency of OpenAFP-Utils-1.3) rejecting: base-4.9.0.0/installed-4.9... (conflict: OpenAFP-Utils => base>=3 && <4) rejecting: base-4.9.0.0, base-4.8.2.0, base-4.8.1.0, base-4.8.0.0, base-4.7.0.2, base-4.7.0.1, base-4.7.0.0, base-4.6.0.1, base-4.6.0.0, base-4.5.1.0, base-4.5.0.0, base-4.4.1.0, base-4.4.0.0, base-4.3.1.0, base-4.3.0.0, base-4.2.0.2, base-4.2.0.1, base-4.2.0.0, base-4.1.0.0, base-4.0.0.0, base-3.0.3.2, base-3.0.3.1 (constraint from non-upgradeable package requires installed instance) Dependency tree exhaustively searched.