hg problems

[<don...@is...>]

  hg pull -u
says:
  pulling from http://clisp.hg.sourceforge.net:8000/hgroot/clisp/clisp
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 5 changesets with 12 changes to 7 files
  abort: crosses branches (merge branches or use --check to force update)

I'm guessing someone has to fix the repository ?