ValueError at /api/centers/
"<FitnessCenter: j>" needs to have a value for field "fitnesscenter" before this many-to-many relationship can be used.

Request Method: POST
Request URL: http://dev.fittect.com/api/centers/
Django Version: 1.10.1
Python Executable: /home/fittect/fittect/venv/bin/python
Python Version: 2.7.6
Python Path: ['/home/fittect/fittect', '/home/fittect/fittect/venv/bin', '/home/fittect/fittect/venv/lib/python2.7', '/home/fittect/fittect/venv/lib/python2.7/plat-x86_64-linux-gnu', '/home/fittect/fittect/venv/lib/python2.7/lib-tk', '/home/fittect/fittect/venv/lib/python2.7/lib-old', '/home/fittect/fittect/venv/lib/python2.7/lib-dynload', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-x86_64-linux-gnu', '/usr/lib/python2.7/lib-tk', '/home/fittect/fittect/venv/local/lib/python2.7/site-packages']
Server time: Thu, 15 Sep 2016 07:54:57 +0000
Installed Applications:
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.sites',
 'localflavor',
 'corsheaders',
 'django.contrib.gis',
 'rest_framework',
 'rest_framework.authtoken',
 'rest_auth',
 'allauth',
 'allauth.account',
 'rest_auth.registration',
 'allauth.socialaccount',
 'allauth.socialaccount.providers.facebook',
 'cities',
 'haystack',
 'app')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
 'corsheaders.middleware.CorsMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware')


Traceback:

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/core/handlers/exception.py" in inner
  39.             response = get_response(request)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/core/handlers/base.py" in _legacy_get_response
  249.             response = self._get_response(request)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/core/handlers/base.py" in _get_response
  187.                 response = self.process_exception_by_middleware(e, request)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/core/handlers/base.py" in _get_response
  185.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/views/decorators/csrf.py" in wrapped_view
  58.         return view_func(*args, **kwargs)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/rest_framework/viewsets.py" in view
  87.             return self.dispatch(request, *args, **kwargs)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/rest_framework/views.py" in dispatch
  474.             response = self.handle_exception(exc)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/rest_framework/views.py" in handle_exception
  434.             self.raise_uncaught_exception(exc)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/rest_framework/views.py" in dispatch
  471.             response = handler(request, *args, **kwargs)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/rest_framework/mixins.py" in create
  21.         self.perform_create(serializer)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/rest_framework/mixins.py" in perform_create
  26.         serializer.save()

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/rest_framework/serializers.py" in save
  192.             self.instance = self.create(validated_data)

File "/home/fittect/fittect/app/serializers.py" in create
  108.         fitness_center = FitnessCenter.objects.create(**validated_data)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/db/models/manager.py" in manager_method
  85.                 return getattr(self.get_queryset(), name)(*args, **kwargs)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/db/models/query.py" in create
  397.         obj = self.model(**kwargs)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/db/models/base.py" in __init__
  550.                             setattr(self, prop, kwargs[prop])

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/db/models/fields/related_descriptors.py" in __set__
  499.         manager = self.__get__(instance)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/db/models/fields/related_descriptors.py" in __get__
  476.         return self.related_manager_cls(instance)

File "/home/fittect/fittect/venv/local/lib/python2.7/site-packages/django/db/models/fields/related_descriptors.py" in __init__
  783.                                  (instance, self.source_field_name))

Exception Type: ValueError at /api/centers/
Exception Value: "<FitnessCenter: j>" needs to have a value for field "fitnesscenter" before this many-to-many relationship can be used.
Request information:
USER: sanskar

GET: No GET data

POST: No POST data

FILES: No FILES data

COOKIES: No cookie data

META:
CONTENT_LENGTH = '385'
CONTENT_TYPE = 'application/json'
HTTP_ACCEPT = '*/*'
HTTP_ACCEPT_ENCODING = 'gzip, deflate'
HTTP_ACCEPT_LANGUAGE = 'en-US,en;q=0.8'
HTTP_AUTHORIZATION = 'Token aa266a042235d7606282ec91e2879b4ef1e579cd'
HTTP_CACHE_CONTROL = 'no-cache, max-age=259200'
HTTP_CONNECTION = 'close'
HTTP_HOST = 'dev.fittect.com'
HTTP_ORIGIN = 'http://evil.com/'
HTTP_PRAGMA = 'no-cache'
HTTP_REFERER = 'http://localhost:4200/center-submit'
HTTP_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.94 Safari/537.36'
HTTP_VIA = '1.1 proxy4:80 (squid/2.6.STABLE12)'
HTTP_X_FORWARDED_FOR = '220.227.97.99'
HTTP_X_SCHEME = 'http'
PATH_INFO = u'/api/centers/'
QUERY_STRING = ''
RAW_URI = '/api/centers/'
REMOTE_ADDR = ''
REQUEST_METHOD = 'POST'
SCRIPT_NAME = u''
SERVER_NAME = 'dev.fittect.com'
SERVER_PORT = '80'
SERVER_PROTOCOL = 'HTTP/1.0'
SERVER_SOFTWARE = 'gunicorn/19.5.0'
gunicorn.socket = <socket._socketobject object at 0x7f29d3a38bb0>
wsgi.errors = <gunicorn.http.wsgi.WSGIErrorsWrapper object at 0x7f29d38f0790>
wsgi.file_wrapper = ''
wsgi.input = <gunicorn.http.body.Body object at 0x7f29d38f09d0>
wsgi.multiprocess = False
wsgi.multithread = False
wsgi.run_once = False
wsgi.url_scheme = 'http'
wsgi.version =

Settings:
Using settings module fittect.settings
ABSOLUTE_URL_OVERRIDES = {}
ADMINS = []
ALLOWED_HOSTS = []
APPEND_SLASH = True
AUTHENTICATION_BACKENDS = [u'django.contrib.auth.backends.ModelBackend']
AUTH_PASSWORD_VALIDATORS = u'********************'
AUTH_USER_MODEL = 'app.FittectUser'
BASE_DIR = '/home/fittect/fittect'
CACHES = {u'default': {u'BACKEND': u'django.core.cache.backends.locmem.LocMemCache'}}
CACHE_MIDDLEWARE_ALIAS = u'default'
CACHE_MIDDLEWARE_KEY_PREFIX = u'********************'
CACHE_MIDDLEWARE_SECONDS = 600
CITIES_FILES = {'city': {'urls': ['http://download.geonames.org/export/dump/{filename}'], 'filenames': ['cities15000.zip']}}
CITIES_IGNORE_EMPTY_REGIONS = True
CITIES_LOCALES = ['en', 'und', 'LANGUAGES']
CITIES_PLUGINS = ['cities.plugin.postal_code_ca.Plugin', 'cities.plugin.reset_queries.Plugin']
CITIES_POSTAL_CODES = ['US', 'CA', 'IN']
CORS_ORIGIN_ALLOW_ALL = True
CSRF_COOKIE_AGE = 31449600
CSRF_COOKIE_DOMAIN = None
CSRF_COOKIE_HTTPONLY = False
CSRF_COOKIE_NAME = u'csrftoken'
CSRF_COOKIE_PATH = u'/'
CSRF_COOKIE_SECURE = False
CSRF_FAILURE_VIEW = u'django.views.csrf.csrf_failure'
CSRF_HEADER_NAME = u'HTTP_X_CSRFTOKEN'
CSRF_TRUSTED_ORIGINS = []
DATABASES = {'default': {'ENGINE': 'django.contrib.gis.db.backends.postgis', 'AUTOCOMMIT': True, 'ATOMIC_REQUESTS': False, 'NAME': 'fittect', 'CONN_MAX_AGE': 0, 'TIME_ZONE': None, 'PORT': '5432', 'HOST': '', 'USER': 'fittect', 'TEST': {'COLLATION': None, 'CHARSET': None, 'NAME': None, 'MIRROR': None}, 'PASSWORD': u'********************', 'OPTIONS': {}}}
DATABASE_ROUTERS = []
DATA_UPLOAD_MAX_MEMORY_SIZE = 2621440
DATA_UPLOAD_MAX_NUMBER_FIELDS = 1000
DATETIME_FORMAT = u'N j, Y, P'
DATETIME_INPUT_FORMATS = [u'%Y-%m-%d %H:%M:%S', u'%Y-%m-%d %H:%M:%S.%f', u'%Y-%m-%d %H:%M', u'%Y-%m-%d', u'%m/%d/%Y %H:%M:%S', u'%m/%d/%Y %H:%M:%S.%f', u'%m/%d/%Y %H:%M', u'%m/%d/%Y', u'%m/%d/%y %H:%M:%S', u'%m/%d/%y %H:%M:%S.%f', u'%m/%d/%y %H:%M', u'%m/%d/%y']
DATE_FORMAT = u'N j, Y'
DATE_INPUT_FORMATS = [u'%Y-%m-%d', u'%m/%d/%Y', u'%m/%d/%y', u'%b %d %Y', u'%b %d, %Y', u'%d %b %Y', u'%d %b, %Y', u'%B %d %Y', u'%B %d, %Y', u'%d %B %Y', u'%d %B, %Y']
DEBUG = True
DEBUG_PROPAGATE_EXCEPTIONS = False
DECIMAL_SEPARATOR = u'.'
DEFAULT_CHARSET = u'utf-8'
DEFAULT_CONTENT_TYPE = u'text/html'
DEFAULT_EXCEPTION_REPORTER_FILTER = u'django.views.debug.SafeExceptionReporterFilter'
DEFAULT_FILE_STORAGE = u'django.core.files.storage.FileSystemStorage'
DEFAULT_FROM_EMAIL = u'webmaster@localhost'
DEFAULT_INDEX_TABLESPACE = u''
DEFAULT_TABLESPACE = u''
DISALLOWED_USER_AGENTS = []
EMAIL_BACKEND = u'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = u'localhost'
EMAIL_HOST_PASSWORD = u'********************'
EMAIL_HOST_USER = u''
EMAIL_PORT = 25
EMAIL_SSL_CERTFILE = None
EMAIL_SSL_KEYFILE = u'********************'
EMAIL_SUBJECT_PREFIX = u'[Django] '
EMAIL_TIMEOUT = None
EMAIL_USE_SSL = False
EMAIL_USE_TLS = False
FILE_CHARSET = u'utf-8'
FILE_UPLOAD_DIRECTORY_PERMISSIONS = None
FILE_UPLOAD_HANDLERS = [u'django.core.files.uploadhandler.MemoryFileUploadHandler', u'django.core.files.uploadhandler.TemporaryFileUploadHandler']
FILE_UPLOAD_MAX_MEMORY_SIZE = 2621440
FILE_UPLOAD_PERMISSIONS = None
FILE_UPLOAD_TEMP_DIR = None
FIRST_DAY_OF_WEEK = 0
FIXTURE_DIRS = []
FORCE_SCRIPT_NAME = None
FORMAT_MODULE_PATH = None
HAYSTACK_CONNECTIONS = {'default': {'ENGINE': 'haystack.backends.elasticsearch_backend.ElasticsearchSearchEngine', 'URL': 'http://127.0.0.1:9200/', 'INDEX_NAME': 'haystack'}}
IGNORABLE_404_URLS = []
INSTALLED_APPS =
INTERNAL_IPS = []
LANGUAGES = [(u'af', u'Afrikaans'), (u'ar', u'Arabic'), (u'ast', u'Asturian'), (u'az', u'Azerbaijani'), (u'bg', u'Bulgarian'), (u'be', u'Belarusian'), (u'bn', u'Bengali'), (u'br', u'Breton'), (u'bs', u'Bosnian'), (u'ca', u'Catalan'), (u'cs', u'Czech'), (u'cy', u'Welsh'), (u'da', u'Danish'), (u'de', u'German'), (u'dsb', u'Lower Sorbian'), (u'el', u'Greek'), (u'en', u'English'), (u'en-au', u'Australian English'), (u'en-gb', u'British English'), (u'eo', u'Esperanto'), (u'es', u'Spanish'), (u'es-ar', u'Argentinian Spanish'), (u'es-co', u'Colombian Spanish'), (u'es-mx', u'Mexican Spanish'), (u'es-ni', u'Nicaraguan Spanish'), (u'es-ve', u'Venezuelan Spanish'), (u'et', u'Estonian'), (u'eu', u'Basque'), (u'fa', u'Persian'), (u'fi', u'Finnish'), (u'fr', u'French'), (u'fy', u'Frisian'), (u'ga', u'Irish'), (u'gd', u'Scottish Gaelic'), (u'gl', u'Galician'), (u'he', u'Hebrew'), (u'hi', u'Hindi'), (u'hr', u'Croatian'), (u'hsb', u'Upper Sorbian'), (u'hu', u'Hungarian'), (u'ia', u'Interlingua'), (u'id', u'Indonesian'), (u'io', u'Ido'), (u'is', u'Icelandic'), (u'it', u'Italian'), (u'ja', u'Japanese'), (u'ka', u'Georgian'), (u'kk', u'Kazakh'), (u'km', u'Khmer'), (u'kn', u'Kannada'), (u'ko', u'Korean'), (u'lb', u'Luxembourgish'), (u'lt', u'Lithuanian'), (u'lv', u'Latvian'), (u'mk', u'Macedonian'), (u'ml', u'Malayalam'), (u'mn', u'Mongolian'), (u'mr', u'Marathi'), (u'my', u'Burmese'), (u'nb', u'Norwegian Bokm\xe5l'), (u'ne', u'Nepali'), (u'nl', u'Dutch'), (u'nn', u'Norwegian Nynorsk'), (u'os', u'Ossetic'), (u'pa', u'Punjabi'), (u'pl', u'Polish'), (u'pt', u'Portuguese'), (u'pt-br', u'Brazilian Portuguese'), (u'ro', u'Romanian'), (u'ru', u'Russian'), (u'sk', u'Slovak'), (u'sl', u'Slovenian'), (u'sq', u'Albanian'), (u'sr', u'Serbian'), (u'sr-latn', u'Serbian Latin'), (u'sv', u'Swedish'), (u'sw', u'Swahili'), (u'ta', u'Tamil'), (u'te', u'Telugu'), (u'th', u'Thai'), (u'tr', u'Turkish'), (u'tt', u'Tatar'), (u'udm', u'Udmurt'), (u'uk', u'Ukrainian'), (u'ur', u'Urdu'), (u'vi', u'Vietnamese'), (u'zh-hans', u'Simplified Chinese'), (u'zh-hant', u'Traditional Chinese')]
LANGUAGES_BIDI = [u'he', u'ar', u'fa', u'ur']
LANGUAGE_CODE = 'en-us'
LANGUAGE_COOKIE_AGE = None
LANGUAGE_COOKIE_DOMAIN = None
LANGUAGE_COOKIE_NAME = u'django_language'
LANGUAGE_COOKIE_PATH = u'/'
LOCALE_PATHS = []
LOGGING = {'loggers': {'cities': {'handlers': ['console'], 'level': 'INFO'}, 'django.request': {'handlers': ['mail_admins'], 'propagate': True, 'level': 'ERROR'}}, 'version': 1, 'disable_existing_loggers': False, 'filters': {'require_debug_false': {'()': 'django.utils.log.RequireDebugFalse'}}, 'handlers': {'console': {'class': 'logging.StreamHandler', 'level': 'DEBUG'}, 'mail_admins': {'class': 'django.utils.log.AdminEmailHandler', 'filters': ['require_debug_false'], 'level': 'ERROR'}}}
LOGGING_CONFIG = u'logging.config.dictConfig'
LOGIN_REDIRECT_URL = u'/accounts/profile/'
LOGIN_URL = u'/accounts/login/'
LOGOUT_REDIRECT_URL = None
MANAGERS = []
MEDIA_ROOT = '/home/fittect/fittect/media'
MEDIA_URL = '/media/'
MESSAGE_STORAGE = u'django.contrib.messages.storage.fallback.FallbackStorage'
MIDDLEWARE = None
MIDDLEWARE_CLASSES =
MIGRATION_MODULES = {}
MONTH_DAY_FORMAT = u'F j'
NUMBER_GROUPING = 0
PASSWORD_HASHERS = u'********************'
PASSWORD_RESET_TIMEOUT_DAYS = u'********************'
PREPEND_WWW = False
REST_AUTH_SERIALIZERS = {'USER_DETAILS_SERIALIZER': 'app.serializers.UserSerializer'}
REST_FRAMEWORK = {'DEFAULT_AUTHENTICATION_CLASSES': ('rest_framework.authentication.BasicAuthentication', 'rest_framework.authentication.TokenAuthentication', 'rest_framework.authentication.SessionAuthentication'), 'DEFAULT_PERMISSION_CLASSES': ('rest_framework.permissions.IsAuthenticatedOrReadOnly',), 'PAGE_SIZE': 10}
ROOT_URLCONF = 'fittect.urls'
SECRET_KEY = u'********************'
SECURE_BROWSER_XSS_FILTER = False
SECURE_CONTENT_TYPE_NOSNIFF = False
SECURE_HSTS_INCLUDE_SUBDOMAINS = False
SECURE_HSTS_SECONDS = 0
SECURE_PROXY_SSL_HEADER = None
SECURE_REDIRECT_EXEMPT = []
SECURE_SSL_HOST = None
SECURE_SSL_REDIRECT = False
SERVER_EMAIL = u'root@localhost'
SESSION_CACHE_ALIAS = u'default'
SESSION_COOKIE_AGE = 1209600
SESSION_COOKIE_DOMAIN = None
SESSION_COOKIE_HTTPONLY = True
SESSION_COOKIE_NAME = u'sessionid'
SESSION_COOKIE_PATH = u'/'
SESSION_COOKIE_SECURE = False
SESSION_ENGINE = u'django.contrib.sessions.backends.db'
SESSION_EXPIRE_AT_BROWSER_CLOSE = False
SESSION_FILE_PATH = None
SESSION_SAVE_EVERY_REQUEST = False
SESSION_SERIALIZER = u'django.contrib.sessions.serializers.JSONSerializer'
SETTINGS_MODULE = 'fittect.settings'
SHORT_DATETIME_FORMAT = u'm/d/Y P'
SHORT_DATE_FORMAT = u'm/d/Y'
SIGNING_BACKEND = u'django.core.signing.TimestampSigner'
SILENCED_SYSTEM_CHECKS = []
SITE_ID = 1
STATICFILES_DIRS = []
STATICFILES_FINDERS = [u'django.contrib.staticfiles.finders.FileSystemFinder', u'django.contrib.staticfiles.finders.AppDirectoriesFinder']
STATICFILES_STORAGE = u'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT = '/home/fittect/fittect/static'
STATIC_URL = '/static/'
TEMPLATES = [{'DIRS': ['/home/fittect/fittect/templates'], 'APP_DIRS': True, 'OPTIONS': {'context_processors': ['django.contrib.auth.context_processors.auth', 'django.template.context_processors.debug', 'django.template.context_processors.static']}, 'BACKEND': 'django.template.backends.django.DjangoTemplates'}]
TEST_NON_SERIALIZED_APPS = []
TEST_RUNNER = u'django.test.runner.DiscoverRunner'
THOUSAND_SEPARATOR = u','
TIME_FORMAT = u'P'
TIME_INPUT_FORMATS = [u'%H:%M:%S', u'%H:%M:%S.%f', u'%H:%M']
TIME_ZONE = 'UTC'
USE_ETAGS = False
USE_I18N = True
USE_L10N = True
USE_THOUSAND_SEPARATOR = False
USE_TZ = True
USE_X_FORWARDED_HOST = False
USE_X_FORWARDED_PORT = False
WSGI_APPLICATION = 'fittect.wsgi.application'
X_FRAME_OPTIONS = u'SAMEORIGIN'
YEAR_MONTH_FORMAT = u'F Y'


You're seeing this error because you have DEBUG = True in your
Django settings file. Change that to False, and Django will
display a standard page generated by the handler for this status code.