OperationalError: SQL logic error or missing database

[ever4every1@…]

How to Reproduce

While doing a GET operation on /browser, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'path': '/'}

System Information

Trac	0.11.7
Python	2.5.5 (r255:77872, Jun 3 2010, 14:43:28) [GCC 4.1.2 20080704 (Red Hat 4.1.2-48)]
setuptools	0.6c11
SQLite	3.6.23
pysqlite	2.3.2
Genshi	0.5.1
mod_wsgi	3.1 (WSGIProcessGroup WSGIApplicationGroup %{GLOBAL})
Pygments	1.3.1
Subversion	1.6.11 (r934486)
RPC	1.1.0-r7971

Python Traceback

Traceback (most recent call last):
  File "/usr/local/lib/python2.5/site-packages/Trac-0.11.7-py2.5.egg/trac/web/main.py", line 450, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/local/lib/python2.5/site-packages/Trac-0.11.7-py2.5.egg/trac/web/main.py", line 229, in dispatch
    req.session.save()
  File "/usr/local/lib/python2.5/site-packages/Trac-0.11.7-py2.5.egg/trac/web/session.py", line 129, in save
    (self.last_visit, self.sid, authenticated))
  File "/usr/local/lib/python2.5/site-packages/Trac-0.11.7-py2.5.egg/trac/db/util.py", line 64, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/usr/local/lib/python2.5/site-packages/Trac-0.11.7-py2.5.egg/trac/db/sqlite_backend.py", line 80, in execute
    result = PyFormatCursor.execute(self, *args)
  File "/usr/local/lib/python2.5/site-packages/Trac-0.11.7-py2.5.egg/trac/db/sqlite_backend.py", line 59, in execute
    args or [])
  File "/usr/local/lib/python2.5/site-packages/Trac-0.11.7-py2.5.egg/trac/db/sqlite_backend.py", line 53, in _rollback_on_error
    self.cnx.rollback()
  File "/usr/local/lib/python2.5/site-packages/Trac-0.11.7-py2.5.egg/trac/db/sqlite_backend.py", line 273, in rollback
    self.cnx.rollback()
OperationalError: SQL logic error or missing database

[Remy Blank]

InstallationIssue, see PySqlite.