rm_1216db:~/Documents/Workspace/buildout-plone3 admin$ ./bin/buildout -o
Develop: '/Users/admin/Documents/workspace/buildout-plone3/src/ncpc.policy'
Develop: '/Users/admin/Documents/workspace/buildout-plone3/src/ncpc.theme'
Develop: '/Users/admin/Documents/workspace/buildout-plone3/src/ncpc.workflow'
Develop: '/Users/admin/Documents/workspace/buildout-plone3/src/ncpc.carousel'
Uninstalling getpaid.
Updating productdistros.
Updating plone.
Updating zope2.
Updating unreleasedproducts.
Installing getpaid.
Installing instance.
While:
  Installing instance.
  Getting distribution for 'plone.app.layout==1.1.5'.

An internal error occured due to a bug in either zc.buildout or in a
recipe being used:
Traceback (most recent call last):
  File "/private/tmp/tmpNLqX4L/zc.buildout-1.4.3-py2.4.egg/zc/buildout/buildout.py", line 1660, in main
  File "/private/tmp/tmpNLqX4L/zc.buildout-1.4.3-py2.4.egg/zc/buildout/buildout.py", line 532, in install
  File "/private/tmp/tmpNLqX4L/zc.buildout-1.4.3-py2.4.egg/zc/buildout/buildout.py", line 1204, in _call
  File "/Users/admin/Documents/workspace/buildout-plone3/eggs/plone.recipe.zope2instance-3.6-py2.4.egg/plone/recipe/zope2instance/__init__.py", line 51, in install
    requirements, ws = self.egg.working_set()
  File "/Users/admin/Documents/workspace/buildout-plone3/eggs/zc.recipe.egg-1.2.2-py2.4.egg/zc/recipe/egg/egg.py", line 75, in working_set
    [options['develop-eggs-directory'], options['eggs-directory']]
  File "/private/tmp/tmpNLqX4L/zc.buildout-1.4.3-py2.4.egg/zc/buildout/easy_install.py", line 905, in working_set
  File "/private/tmp/tmpNLqX4L/zc.buildout-1.4.3-py2.4.egg/zc/buildout/easy_install.py", line 800, in install
  File "/private/tmp/tmpNLqX4L/zc.buildout-1.4.3-py2.4.egg/zc/buildout/easy_install.py", line 646, in install
  File "/private/tmp/tmpNLqX4L/zc.buildout-1.4.3-py2.4.egg/zc/buildout/easy_install.py", line 542, in _get_dist
  File "/private/tmp/tmpNLqX4L/zc.buildout-1.4.3-py2.4.egg/zc/buildout/easy_install.py", line 375, in _call_easy_install
  File "/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/posixpath.py", line 62, in join
    elif path == '' or path.endswith('/'):
AttributeError: 'NoneType' object has no attribute 'endswith'