TemplateNotFound: Template "admin_milestones.html" not found

[supia94]

How to Reproduce

While doing a GET operation on /admin/ticket/milestones, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'cat_id': u'ticket', 'panel_id': u'milestones', 'path_info': None}

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_1) AppleWebKit/534.48.3 (KHTML, like Gecko) Version/5.1 Safari/534.48.3

System Information

Trac	0.13dev
Babel	1.0dev-r0
Docutils	0.8.1
Genshi	0.7dev
mod_python	3.3.2-dev-20080819
Pygments	1.4
pysqlite	2.4.1
Python	2.6.6 (r266:84292, Sep 7 2011, 04:04:27) [GCC 4.1.2 20080704 (Red Hat 4.1.2-50)]
pytz	2011h
setuptools	0.6c9
SQLite	3.6.16
jQuery	1.5.1

Enabled Plugins

Python Traceback

Traceback (most recent call last):
  File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 478, in _dispatch_request
    dispatcher.dispatch(req)
  File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 217, in dispatch
    content_type)
  File "build/bdist.linux-x86_64/egg/trac/web/chrome.py", line 921, in render_template
    template = self.load_template(filename, method=method)
  File "build/bdist.linux-x86_64/egg/trac/web/chrome.py", line 892, in load_template
    return self.templates.load(filename, cls=cls)
  File "build/bdist.linux-x86_64/egg/genshi/template/loader.py", line 246, in load
    raise TemplateNotFound(filename, search_path)
TemplateNotFound: Template "admin_milestones.html" not found

[Remy Blank]

This is an InstallationIssue, probably something to do with the egg-cache directory (permissions?).