Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: reflex-dom-colonnade (user goal)
rejecting: reflex-dom-colonnade-0.4.6, reflex-dom-colonnade-0.4.4,
reflex-dom-colonnade-0.4.3, reflex-dom-colonnade-0.4.2,
reflex-dom-colonnade-0.4.1 (constraint from user target requires ==0.4)
trying: reflex-dom-colonnade-0.4
trying: base-4.9.0.0/installed-4.9... (dependency of reflex-dom-colonnade-0.4)
next goal: reflex-dom (dependency of reflex-dom-colonnade-0.4)
rejecting: reflex-dom-0.3, reflex-dom-0.2, reflex-dom-0.1.1, reflex-dom-0.1
(conflict: base==4.9.0.0/installed-4.9..., reflex-dom => base>=4.7 && <4.9)
Dependency tree exhaustively searched.