[viewvc-dev] Exception Issue With ViewVC

Does anyone have an idea where this issue is coming from:
 
An Exception Has Occurred
Python Traceback
 
Traceback (most recent call last):
  File "/usr/local/viewvc-1.0.3-dev/lib/viewvc.py", line 3629, in main
    request.run_viewvc()
  File "/usr/local/viewvc-1.0.3-dev/lib/viewvc.py", line 388, in
run_viewvc
    self.view_func(self)
  File "/usr/local/viewvc-1.0.3-dev/lib/viewvc.py", line 1541, in
view_directory
    request.repos.dirlogs(request.path_parts, request.pathrev,
file_data, options)
  File "/usr/local/viewvc-1.0.3-dev/lib/vclib/ccvs/__init__.py", line
75, in dirlogs
    if Tag(None, rev).is_branch:
  File "/usr/local/viewvc-1.0.3-dev/lib/vclib/bincvs/__init__.py", line
303, in __init__
    self.number = _tag_tuple(revstr)
  File "/usr/local/viewvc-1.0.3-dev/lib/vclib/bincvs/__init__.py", line
474, in _tag_tuple
    t = map(int, string.split(revision_string, '.'))
ValueError: invalid literal for int():