Resolving dependencies... cabal: Could not resolve dependencies: trying: HStringTemplate-0.7.3/installed-8e6... (user goal) next goal: jose (user goal) rejecting: jose-0.2.38.0 (conflict: HStringTemplate => text==1.2.0.2/installed-ddc..., jose => text==1.1.*) rejecting: jose-0.2.33.0, 0.2.31.0, 0.1.27.0, 0.1.26.0 (global constraint requires ==0.2.38.0) Backjump limit reached (change with --max-backjumps). Note: when using a sandbox, all packages are required to have consistent dependencies. Try reinstalling/unregistering the offending packages or recreating the sandbox.