Problems with gnulib-hg repo

[Stefan Husmann]

Hello,

I have problems with checking out the gnulib hg repo and, not familiar with 
mercurial,
am not able to fix them.

 ==> Making package: octave-hg 19098.4591a1238ee0-1 (Tue Sep 23 21:58:39 CEST 
2014)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
  -> Updating gnulib git repo...
Fetching origin
  -> Updating octave hg repo...
pulling from /home/haawda/sources/octave
searching for changes
no changes found
==> Validating source files with md5sums...
    gnulib ... Skipped
    octave ... Skipped
==> Extracting sources...
  -> Creating working copy of gnulib git repo...
Cloning into 'gnulib'...
done.
  -> Creating working copy of  hg repo...
updating to bookmark @
cloning subrepo gnulib-hg from /home/haawda/sources/octave/gnulib-hg
abort: unknown revision '8728cf80b7d84b0ac401debac5b37217aac0d2e2'!
==> ERROR: Failure while creating working copy of  hg repo
    Aborting...

Process makepkg exited abnormally with code 1

Help is appreciated.

Best Regards

Stefan