Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] trying: megastore-0.1.1.1 (user goal)
[__1] next goal: ghc (dependency of megastore)
[__1] rejecting: ghc-9.2.4/installed-9.2.4 (conflict: megastore => ghc>9.4.3
&& <=9.4.4)
[__1] trying: ghc-9.4.4
[__2] next goal: template-haskell (dependency of ghc)
[__2] rejecting: template-haskell-2.18.0.0/installed-2.18.0.0 (conflict: ghc
=> template-haskell>=2.19 && <2.20)
[__2] rejecting: template-haskell-2.19.0.0, template-haskell-2.18.0.0,
template-haskell-2.17.0.0, template-haskell-2.16.0.0,
template-haskell-2.15.0.0, template-haskell-2.14.0.0,
template-haskell-2.13.0.0, template-haskell-2.12.0.0,
template-haskell-2.11.1.0, template-haskell-2.11.0.0,
template-haskell-2.10.0.0, template-haskell-2.9.0.0, template-haskell-2.8.0.0,
template-haskell-2.7.0.0, template-haskell-2.6.0.0, template-haskell-2.5.0.0,
template-haskell-2.4.0.1, template-haskell-2.4.0.0, template-haskell-2.3.0.1,
template-haskell-2.3.0.0, template-haskell-2.2.0.0 (constraint from
non-upgradeable package requires installed instance)
[__2] fail (backjumping, conflict set: ghc, template-haskell)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: ghc, megastore, template-haskell