Resolving dependencies... cabal: Could not resolve dependencies: next goal: hledger-web (user goal) rejecting: hledger-web-0.26, 0.25.1, 0.25, 0.24.1, 0.24, 0.23.3, 0.23.2, 0.23.1, 0.23, 0.22.8, 0.22.7, 0.22.6, 0.22.5, 0.22.4, 0.22.3, 0.22.2, 0.22.1, 0.22, 0.21.3, 0.21.2, 0.21.1, 0.21, 0.20.0.1, 0.20, 0.19.3 (global constraint requires ==0.19.1) trying: hledger-web-0.19.1 trying: transformers-0.4.2.0/installed-21d... (dependency of hledger-web-0.19.1) next goal: hledger-lib (dependency of hledger-web-0.19.1) rejecting: hledger-lib-0.26, 0.25.1, 0.25, 0.24.1, 0.24, 0.23.3, 0.23.2, 0.23.1, 0.23, 0.22.2, 0.22.1, 0.22, 0.21.3, 0.21.2, 0.21.1, 0.21, 0.20.0.1, 0.20, 0.19.3 (conflict: hledger-web => hledger-lib==0.19.1) rejecting: hledger-lib-0.19.1 (conflict: transformers==0.4.2.0/installed-21d..., hledger-lib => transformers>=0.2 && <0.4) rejecting: hledger-lib-0.19, 0.18.2, 0.18.1, 0.18, 0.17, 0.16.1, 0.16, 0.15.2, 0.15, 0.14, 0.13, 0.12.1, 0.12, 0.11.1, 0.11, 0.10, 0.9 (conflict: hledger-web => hledger-lib==0.19.1) Backjump limit reached (change with --max-backjumps).