Resolving dependencies...
cabal: Could not resolve dependencies:
trying: primitive-0.6.2.0/installed-EI3... (dependency of yesod-core-1.4.37.3)
trying: transformers-compat-0.6.0.6 (dependency of exceptions-0.9.0)
trying: transformers-compat-0.6.0.6:-two
trying: transformers-compat-0.6.0.6:-three
trying: transformers-compat-0.6.0.6:+mtl
rejecting: transformers-compat-0.6.0.6:-five (conflict: primitive =>
transformers==0.5.2.0/installed-0.5..., transformers-compat-0.6.0.6:five =>
transformers>=0.4 && <0.5 || >=0.3 && <0.4 || >=0.2 && <0.3 || >=0.5.3 &&
<0.6)
rejecting: transformers-compat-0.6.0.6:+five (manual flag can only be changed
explicitly)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).