Traceback (most recent call last):


 "/Users/mikail/Development/saleor-venv/lib/python3.7/site-packages/promise/promise.py", line 487, in _resolve_from_executor

executor(resolve, reject)


 "/Users/mikail/Development/saleor-venv/lib/python3.7/site-packages/promise/promise.py", line 754, in executor

return resolve(f(*args, **kwargs))


 "/Users/mikail/Development/saleor-venv/lib/python3.7/site-packages/graphql/execution/middleware.py", line 75, in make_it_promise

return next(*args, **kwargs)


 "/Users/mikail/Development/saleor/saleor/graphql/core/mutations.py", line 207, in mutate

response = cls.perform_mutation(root, info, **data)


 "/Users/mikail/Development/saleor/saleor/graphql/core/mutations.py", line 354, in perform_mutation

instance = cls.construct_instance(instance, cleaned_input)


 "/Users/mikail/Development/saleor/saleor/graphql/core/mutations.py", line 184, in construct_instance

f.save_form_data(instance, data)


 "/Users/mikail/Development/saleor-venv/lib/python3.7/site-packages/django/db/models/fields/__init__.py", line 853, in save_form_data

setattr(instance, self.name, data)


 "/Users/mikail/Development/saleor-venv/lib/python3.7/site-packages/django/db/models/fields/related_descriptors.py", line 211, in __set__

self.field.remote_field.model._meta.object_name,
ValueError: Cannot assign "<Page: About>": "MenuItem.category" must be a "Category" instance.

Traceback (most recent call last):


 "manage.py", line 10, in <module>

execute_from_command_line(sys.argv)


 "/Users/bala/development/repos/nimblebot/socialmediascrape/lib/python2.7/site-packages/django/core/management/__init__.py", line 367, in execute_from_command_line

utility.execute()


 "/Users/bala/development/repos/nimblebot/socialmediascrape/lib/python2.7/site-packages/django/core/management/__init__.py", line 316, in execute

settings.INSTALLED_APPS


 "/Users/bala/development/repos/nimblebot/socialmediascrape/lib/python2.7/site-packages/django/conf/__init__.py", line 53, in __getattr__

self._setup(name)


 "/Users/bala/development/repos/nimblebot/socialmediascrape/lib/python2.7/site-packages/django/conf/__init__.py", line 41, in _setup

self._wrapped = Settings(settings_module)


 "/Users/bala/development/repos/nimblebot/socialmediascrape/lib/python2.7/site-packages/django/conf/__init__.py", line 97, in __init__

mod = importlib.import_module(self.SETTINGS_MODULE)


 "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/importlib/__init__.py", line 37, in import_module

__import__(name)


 "/Users/bala/development/repos/nimblebot/socialmediascrape/socialmediasite/settings.py", line 14, in <module>

import dbconnection as mongodb


 "/Users/bala/development/repos/nimblebot/socialmediascrape/socialmediasite/dbconnection.py", line 46, in <module>

bot.listen()


 "/Users/bala/development/repos/nimblebot/socialmediascrape/lib/python2.7/site-packages/fbchat/client.py", line 544, in listen

sticky, pool = self._getSticky()


 "/Users/bala/development/repos/nimblebot/socialmediascrape/lib/python2.7/site-packages/fbchat/client.py", line 468, in _getSticky

j = get_json(r.text)


 "/Users/bala/development/repos/nimblebot/socialmediascrape/lib/python2.7/site-packages/fbchat/utils.py", line 18, in get_json

return json.loads(re.sub(r"^[^{]*", '', text, 1))


 "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py", line 338, in loads

return _default_decoder.decode(s)


 "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/decoder.py", line 366, in decode

obj, end = self.raw_decode(s, idx=_w(s, 0).end())


 "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/decoder.py", line 384, in raw_decode

raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded
