Resolving dependencies... cabal: Could not resolve dependencies: next goal: clckwrks-plugin-media (user goal) rejecting: clckwrks-plugin-media-0.6.13, 0.6.9, 0.6.8, 0.6.7, 0.6.6, 0.6.4, 0.6.3, 0.6.2, 0.6.1, 0.6.0, 0.5.1 (global constraint requires ==0.5.0) trying: clckwrks-plugin-media-0.5.0 trying: web-routes-0.27.9 (dependency of clckwrks-plugin-media-0.5.0) trying: utf8-string-1 (dependency of web-routes-0.27.9) trying: mtl-2.2.1 (dependency of clckwrks-plugin-media-0.5.0) next goal: happstack-server (dependency of clckwrks-plugin-media-0.5.0) rejecting: happstack-server-7.4.4, 7.4.3, 7.4.2, 7.4.1, 7.4.0 (conflict: clckwrks-plugin-media => happstack-server>=7.0 && <7.4) rejecting: happstack-server-7.3.9, 7.3.8, 7.3.7, 7.3.6 (conflict: utf8-string==1, happstack-server => utf8-string>=0.3.4 && <0.4) rejecting: happstack-server-7.3.5, 7.3.4, 7.3.3, 7.3.2, 7.3.1, 7.3.0, 7.1.7.1, 7.1.7, 7.1.6, 7.1.5, 7.1.4, 7.1.3, 7.1.2, 7.1.1, 7.1.0, 7.0.7, 7.0.6, 7.0.5, 7.0.4, 7.0.3, 7.0.2, 7.0.1 (conflict: mtl==2.2.1, happstack-server => mtl>=2 && <2.2) rejecting: happstack-server-7.0.0 (conflict: mtl==2.2.1, happstack-server => mtl>=2 && <2.1) rejecting: happstack-server-6.6.5, 6.6.4, 6.6.3, 6.6.2, 6.5.7, 6.5.6, 6.5.4, 6.5.3, 6.5.2, 6.5.1, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.3.1, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.1.6, 6.1.5, 6.1.4, 6.1.3, 6.1.2, 6.1.0, 6.0.3, 6.0.2, 6.0.1, 6.0.0, 0.5.0.4, 0.5.0.3, 0.5.0.2, 0.5.0, 0.4.1, 0.3.3, 0.3.2, 0.3.1, 0.2.1, 0.1 (conflict: clckwrks-plugin-media => happstack-server>=7.0 && <7.4) Backjump limit reached (change with --max-backjumps).