kallithea uWSGI error

2015-09-30 21:00:27.066 INFO  [kallithea.lib.middleware.simplegit] push action on Git repo "testgit" by "admin" from 192.168.3.34
2015-09-30 21:00:27.080 INFO  [kallithea.RequestWrapper] IP: 192.168.3.34 Request to /testgit/git-receive-pack time: 0.185s
[pid: 7577|app: 0|req: 4/4] 127.0.0.1 () {46 vars in 652 bytes} [Wed Sep 30 21:00:26 2015] POST /testgit/git-receive-pack => generated 0 bytes in 210 msecs (HTTP/1.0 200) 1 headers in 72 bytes (0 switches on core 0)
2015-09-30 21:00:30.972 INFO  [kallithea.RequestWrapper] IP: 192.168.3.34 Request to /testgit/git-receive-pack time: 0.023s
Traceback (most recent call last):
  File "/srv/kallithea/venv/lib/python2.7/site-packages/paste/gzipper.py", line 34, in __call__
    response.gzip_start_response)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/paste/cascade.py", line 130, in __call__
    return self.apps[-1](environ, start_response)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/paste/registry.py", line 379, in __call__
    app_iter = self.application(environ, start_response)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/kallithea/lib/middleware/wrapper.py", line 43, in __call__
    return self.application(environ, start_response)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/kallithea/lib/base.py", line 312, in __call__
    return self._handle_request(environ, start_response)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/kallithea/lib/middleware/simplegit.py", line 69, in _handle_request
    if not self._check_ssl(environ):
  File "/srv/kallithea/venv/lib/python2.7/site-packages/kallithea/lib/base.py", line 257, in _check_ssl
    if str2bool(Ui.get_by_key('push_ssl').ui_value):
  File "/srv/kallithea/venv/lib/python2.7/site-packages/kallithea/model/db.py", line 354, in get_by_key
    return cls.query().filter(cls.ui_key == key).scalar()
  File "/srv/kallithea/venv/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 2215, in scalar
    ret = self.one()
  File "/srv/kallithea/venv/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 2184, in one
    ret = list(self)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/kallithea/lib/caching_query.py", line 83, in __iter__
    return Query.__iter__(self)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 2227, in __iter__
    return self._execute_and_instances(context)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/sqlalchemy/orm/query.py", line 2242, in _execute_and_instances
    result = conn.execute(querycontext.statement, self._params)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1449, in execute
    params)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1584, in _execute_clauseelement
    compiled_sql, distilled_params
  File "/srv/kallithea/venv/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1698, in _execute_context
    context)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1691, in _execute_context
    context)
  File "/srv/kallithea/venv/lib/python2.7/site-packages/sqlalchemy/engine/default.py", line 331, in do_execute
    cursor.execute(statement, parameters)
sqlalchemy.exc.DatabaseError: (DatabaseError) file is encrypted or is not a database u'SELECT ui.ui_id AS ui_ui_id, ui.ui_section AS ui_ui_section, ui.ui_key AS ui_ui_key, ui.ui_value AS ui_ui_value, ui.ui_active AS ui_ui_active \nFROM ui \nWHERE ui.ui_key = ?' ('push_ssl',)
[pid: 7577|app: 0|req: 5/5] 127.0.0.1 () {48 vars in 688 bytes} [Wed Sep 30 21:00:30 2015] POST /testgit/git-receive-pack => generated 0 bytes in 400 msecs (HTTP/1.0 500) 0 headers in 0 bytes (0 switches on core 0)