Resolving dependencies... cabal: Could not resolve dependencies: next goal: BiobaseVienna (user goal) rejecting: BiobaseVienna-0.3.0.0, BiobaseVienna-0.2.2.5, BiobaseVienna-0.2.2.4, BiobaseVienna-0.2.2.3, BiobaseVienna-0.2.2.2, BiobaseVienna-0.2.2.1, BiobaseVienna-0.2.2.0, BiobaseVienna-0.2.0.0, BiobaseVienna-0.1.0.0 (constraint from user target requires ==0.0.2.3) trying: BiobaseVienna-0.0.2.3 trying: primitive-0.6.2.0 (dependency of BiobaseTypes-0.1.2.0) next goal: Biobase (dependency of BiobaseVienna-0.0.2.3) rejecting: Biobase-0.3.1.1, Biobase-0.3.1.0, Biobase-0.1.0.1, Biobase-0.1.0.0, Biobase-0.0.2.1, Biobase-0.0.2.0 (conflict: primitive==0.6.2.0, Biobase => primitive>=0.3 && <0.4) Dependency tree exhaustively searched.