An Exception Has Occurred

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/viewvc/lib/viewvc.py", line 4322, in main
    request.run_viewvc()
  File "/usr/lib/viewvc/lib/viewvc.py", line 397, in run_viewvc
    self.view_func(self)
  File "/usr/lib/viewvc/lib/viewvc.py", line 3141, in view_diff
    fp = request.repos.rawdiff(p1, rev1, p2, rev2, diff_type, diff_options)
  File "/usr/lib/viewvc/lib/vclib/svn/svn_repos.py", line 710, in rawdiff
    temp1 = temp_checkout(self, p1, r1)
  File "/usr/lib/viewvc/lib/vclib/svn/svn_repos.py", line 251, in temp_checkout
    stream = fs.file_contents(root, path)
  File "/usr/lib/pymodules/python2.7/libsvn/fs.py", line 627, in svn_fs_file_contents
    return _fs.svn_fs_file_contents(*args)
SubversionException: ('Attempted to get textual contents of a *non*-file node', 160017)