IntegrityError: columns sid, authenticated, name are not unique

[vasleo]

How to Reproduce

While doing a GET operation on /report/1, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'id': u'1'}

System Information

Trac	0.11.1
Python	2.5.2 (r252:60911, Jan 4 2009, 18:00:02) [GCC 4.3.2]
setuptools	0.6c8
SQLite	3.5.9
pysqlite	2.4.1
Genshi	0.5.1
mod_python	3.3.1
Pygments	0.10
Subversion	1.5.1 (r32289)

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/trac/web/main.py", line 423, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.5/site-packages/trac/web/main.py", line 222, in dispatch
    req.session.save()
  File "/usr/lib/python2.5/site-packages/trac/web/session.py", line 102, in save
    "VALUES(%s,%s,%s,%s)", attrs)
  File "/usr/lib/python2.5/site-packages/trac/db/util.py", line 57, in executemany
    return self.cursor.executemany(sql_escape_percent(sql), args)
  File "/usr/lib/python2.5/site-packages/trac/db/sqlite_backend.py", line 63, in executemany
    args or [])
  File "/usr/lib/python2.5/site-packages/trac/db/sqlite_backend.py", line 50, in _rollback_on_error
    return function(self, *args, **kwargs)
IntegrityError: columns sid, authenticated, name are not unique

[Remy Blank]

Looks like a duplicate of #3563, but it should be fixed in 0.11.1, so this may also be something new. Please update to 0.11.4 and reopen if you can reproduce the issue.