Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] trying: intelli-monad-0.1.1.1 (user goal) [__1] trying: text-2.1.1/installed-inplace (dependency of intelli-monad) [__2] next goal: openai-servant-gen (dependency of intelli-monad) [__2] rejecting: openai-servant-gen-0.1.0.1, openai-servant-gen-0.1.0.0 (conflict: text => bytestring==0.12.1.0/installed-inplace, openai-servant-gen => bytestring>=0.11.5 && <0.12) [__2] fail (backjumping, conflict set: intelli-monad, openai-servant-gen, text) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: intelli-monad, openai-servant-gen, text, base Try running with --minimize-conflict-set to improve the error message.