Issue after migrate

.

Please Help

You did not provide full traceback, please copy & paste the full traceback, don’t take screenshot.

@nabinhait
Provided the full traceback below.

Traceback (most recent call last):
File “/home/sagar/Documents/workspace/v9/frappe-bench/apps/frappe/frappe/middlewares.py”, line 15, in call
return super(StaticDataMiddleware, self).call(environ, start_response)
File “/home/sagar/Documents/workspace/v9/frappe-bench/env/lib/python2.7/site-packages/werkzeug/wsgi.py”, line 600, in call
return self.app(environ, start_response)
File “/home/sagar/Documents/workspace/v9/frappe-bench/env/lib/python2.7/site-packages/werkzeug/wsgi.py”, line 600, in call
return self.app(environ, start_response)
File “/home/sagar/Documents/workspace/v9/frappe-bench/env/lib/python2.7/site-packages/werkzeug/local.py”, line 228, in application
return ClosingIterator(app(environ, start_response), self.cleanup)
File “/home/sagar/Documents/workspace/v9/frappe-bench/env/lib/python2.7/site-packages/werkzeug/wrappers.py”, line 301, in application
return f(*args[:-2] + (request,))(*args[-2:])
File “/home/sagar/Documents/workspace/v9/frappe-bench/apps/frappe/frappe/app.py”, line 86, in application
rollback = after_request(rollback)
File “/home/sagar/Documents/workspace/v9/frappe-bench/apps/frappe/frappe/app.py”, line 194, in after_request
updated_in_db = frappe.local.session_obj.update()
File “/home/sagar/Documents/workspace/v9/frappe-bench/apps/frappe/frappe/sessions.py”, line 349, in update
if (frappe.session[‘user’] == “Guest” or frappe.form_dict.cmd==“logout”):
File “/home/sagar/Documents/workspace/v9/frappe-bench/env/lib/python2.7/site-packages/werkzeug/local.py”, line 377, in
getitem = lambda x, i: x._get_current_object()[i]
KeyError: u’user’