Parse error when trying to run most commands

I'm getting the following error and I don't understand it at all. Can you help?

% ~/.ghcup/bin/ghcup --version
The GHCup Haskell installer, version v0.1.14
% ~/.ghcup/bin/ghcup list
[ Warn  ] New GHC version available: 9.0.1. To upgrade, run 'ghcup install ghc 9.0.1'
ghcup: ParseErrorBundle {bundleErrors = TrivialError 0 (Just (Tokens ('/' :| "home/"))) (fromList [Tokens ('c' :| "abal-")]) :| [], bundlePosState = PosState {pstateInput = "/home/tom/.ghcup/bin/cabal-3.4.0.0", pstateOffset = 0, pstateSourcePos = SourcePos {sourceName = "", sourceLine = Pos 1, sourceColumn = Pos 1}, pstateTabWidth = Pos 8, pstateLinePrefix = ""}}