Werkzeug Internal Server Error

traceback.txt

Traceback (most recent call last):
  File "C:\Python27\lib\site-packages\flask\app.py", line 1836, in __call__
    return self.wsgi_app(environ, start_response)
  File "C:\Python27\lib\site-packages\flask\app.py", line 1820, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "C:\Python27\lib\site-packages\flask\app.py", line 1403, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "C:\Python27\lib\site-packages\flask\app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "C:\Python27\lib\site-packages\flask\app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "C:\Python27\lib\site-packages\flask\app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "C:\Python27\lib\site-packages\flask\app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "C:\Python27\lib\site-packages\flask\app.py", line 1461, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "C:\Users\Gameover.Gameover-PC\Documents\Python\Flask\flasktutsplus\app\intro_to_flask\routes.py", line 46, in signup
    if form.validate() == False:
  File "C:\Users\Gameover.Gameover-PC\Documents\Python\Flask\flasktutsplus\app\intro_to_flask\forms.py", line 26, in validate
    user = User.query.filter_by(email = self.email.data.lower()).first()
  File "C:\Python27\lib\site-packages\sqlalchemy\orm\query.py", line 2278, in first
    ret = list(self[0:1])
  File "C:\Python27\lib\site-packages\sqlalchemy\orm\query.py", line 2145, in __getitem__
    return list(res)
  File "C:\Python27\lib\site-packages\sqlalchemy\orm\query.py", line 2349, in __iter__
    return self._execute_and_instances(context)
  File "C:\Python27\lib\site-packages\sqlalchemy\orm\query.py", line 2364, in _execute_and_instances
    result = conn.execute(querycontext.statement, self._params)
  File "C:\Python27\lib\site-packages\sqlalchemy\engine\base.py", line 662, in execute
    params)
  File "C:\Python27\lib\site-packages\sqlalchemy\engine\base.py", line 761, in _execute_clauseelement
    compiled_sql, distilled_params
  File "C:\Python27\lib\site-packages\sqlalchemy\engine\base.py", line 874, in _execute_context
    context)
  File "C:\Python27\lib\site-packages\sqlalchemy\engine\base.py", line 1024, in _handle_dbapi_exception
    exc_info
  File "C:\Python27\lib\site-packages\sqlalchemy\util\compat.py", line 195, in raise_from_cause
    reraise(type(exception), exception, tb=exc_tb)
  File "C:\Python27\lib\site-packages\sqlalchemy\engine\base.py", line 867, in _execute_context
    context)
  File "C:\Python27\lib\site-packages\sqlalchemy\engine\default.py", line 324, in do_execute
    cursor.execute(statement, parameters)
OperationalError: (OperationalError) no such table: users u'SELECT users.uid AS users_uid, users.firstname AS users_firstname, users.lastname AS users_lastname, users.email AS users_email, users.pwdhash AS users_pwdhash \nFROM users \nWHERE users.email = ?\n LIMIT ? OFFSET ?' (u'user@gmail.com', 1, 0)