An Exception Has Occurred

Python Traceback

Traceback (most recent call last):
  File "/usr/local/viewvc-1.2-dev-20180927/lib/viewvc.py", line 5179, in main
    request.run_viewvc()
  File "/usr/local/viewvc-1.2-dev-20180927/lib/viewvc.py", line 423, in run_viewvc
    self.view_func(self)
  File "/usr/local/viewvc-1.2-dev-20180927/lib/viewvc.py", line 3567, in view_patch
    fp = request.repos.rawdiff(p1, rev1, p2, rev2, diff_type, diff_options)
  File "/usr/local/viewvc-1.2-dev-20180927/lib/vclib/svn/svn_repos.py", line 556, in rawdiff
    temp1 = temp_checkout(self, p1, r1)
  File "/usr/local/viewvc-1.2-dev-20180927/lib/vclib/svn/svn_repos.py", line 230, in temp_checkout
    stream = fs.file_contents(root, path)
  File "/usr/lib/python2.7/dist-packages/libsvn/fs.py", line 724, in svn_fs_file_contents
    return _fs.svn_fs_file_contents(*args)
SubversionException: 160017 - Attempted to get textual contents of a *non*-file node