AttributeError at /en/about/transportation-accomodation/

'NoneType' object has no attribute 'relative_url'
Request Method: GET
Request URL: http://bbbu.gumushane.edu.tr/en/about/transportation-accomodation/
Django Version: 1.11.16
Exception Type: AttributeError
Exception Value:
'NoneType' object has no attribute 'relative_url'
Exception Location: /home/webadmin/virtenvs/cnfrnce/lib/python2.7/site-packages/wagtail/wagtailcore/templatetags/wagtailcore_tags.py in pageurl, line 31
Python Executable: /usr/bin/python
Python Version: 2.7.17
Python Path:
['/home/webadmin/virtenvs/cnfrnce/lib/python2.7/site-packages',
 '/usr/lib/python2.7',
 '/usr/lib/python2.7/plat-x86_64-linux-gnu',
 '/usr/lib/python2.7/lib-tk',
 '/usr/lib/python2.7/lib-old',
 '/usr/lib/python2.7/lib-dynload',
 '/usr/local/lib/python2.7/dist-packages',
 '/usr/lib/python2.7/dist-packages',
 '/home/webadmin/virtenvs/cnfrnce/lib/python2.7',
 '/home/webadmin/cnfrnces/1bilge1ulke']
Server time: Per, 28 Mar 2024 16:04:10 +0300

Error during template rendering

In template /home/webadmin/cnfrnces/1bilge1ulke/themes/mdb/templates/includes/header.html, error at line 24

'NoneType' object has no attribute 'relative_url'

14
15 <nav class="navbar navbar-dark navbar-custom navbar-expand-lg">
16 <div class="container">
17 <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
18 <span class="navbar-toggler-icon"></span>
19 </button>
20 {% block main_navigation %}
21 <div class="collapse navbar-collapse" id="navbarSupportedContent">
22 <ul class="navbar-nav mr-auto">
23 <li class="nav-item">
24 <a class="nav-link" href="{% pageurl site_root %}"><i class="fa fa-home"></i></a>
25 </li>
26 {# main_menu is defined in base/templatetags/navigation_tags.py #}
27 {% get_site_root as site_root %}
28 {% top_menu parent=site_root calling_page=self %}
29 </ul>
30 <ul class="navbar-nav">
31 {% get_current_language as LANGUAGE_CODE %}
32 {% get_available_languages as languages %}
33 {% if languages|length > 1 %}
34 {% for lang_code, lang_name in languages %}

Traceback Switch to copy-and-paste view



Request information

USER

AnonymousUser

GET

No GET data

POST

No POST data

FILES

No FILES data

No cookie data

META

Variable Value
CONTEXT_DOCUMENT_ROOT
'/var/www/html'
CONTEXT_PREFIX
''
DOCUMENT_ROOT
'/var/www/html'
GATEWAY_INTERFACE
'CGI/1.1'
HTTP_ACCEPT
'*/*'
HTTP_HOST
'bbbu.gumushane.edu.tr'
HTTP_USER_AGENT
'claudebot'
PATH_INFO
u'/en/about/transportation-accomodation/'
PATH_TRANSLATED
'/home/webadmin/cnfrnces/1bilge1ulke/cnfrnce/wsgi_production.py/en/about/transportation-accomodation/'
QUERY_STRING
''
REMOTE_ADDR
'52.90.50.252'
REMOTE_PORT
'45804'
REQUEST_METHOD
'GET'
REQUEST_SCHEME
'http'
REQUEST_URI
'/en/about/transportation-accomodation/'
SCRIPT_FILENAME
'/home/webadmin/cnfrnces/1bilge1ulke/cnfrnce/wsgi_production.py'
SCRIPT_NAME
u''
SERVER_ADDR
'79.123.244.13'
SERVER_ADMIN
'webmaster@localhost'
SERVER_NAME
'bbbu.gumushane.edu.tr'
SERVER_PORT
'80'
SERVER_PROTOCOL
'HTTP/1.1'
SERVER_SIGNATURE
''
SERVER_SOFTWARE
'Apache'
apache.version
(2, 4, 29)
mod_wsgi.application_group
'bbbu.gumushane.edu.tr|'
mod_wsgi.callable_object
'application'
mod_wsgi.connection_id
'fWGlKBjP6oU'
mod_wsgi.enable_sendfile
'0'
mod_wsgi.handler_script
''
mod_wsgi.ignore_activity
'0'
mod_wsgi.listener_host
''
mod_wsgi.listener_port
'80'
mod_wsgi.path_info
'/en/about/transportation-accomodation/'
mod_wsgi.process_group
''
mod_wsgi.request_handler
'wsgi-script'
mod_wsgi.request_id
'qiu3KBjP6oU'
mod_wsgi.request_start
'1711631049894826'
mod_wsgi.script_name
''
mod_wsgi.script_reloading
'1'
mod_wsgi.script_start
'1711631049894985'
mod_wsgi.thread_id
0
mod_wsgi.thread_requests
9L
mod_wsgi.total_requests
9L
mod_wsgi.version
(4, 5, 17)
wsgi.errors
<mod_wsgi.Log object at 0x7f4b5d44ba30>
wsgi.file_wrapper
''
wsgi.input
<mod_wsgi.Input object at 0x7f4b5d425f10>
wsgi.multiprocess
True
wsgi.multithread
False
wsgi.run_once
False
wsgi.url_scheme
'http'
wsgi.version
(1, 0)

Settings

Using settings module cnfrnce.settings.production

Setting Value
ABSOLUTE_URL_OVERRIDES
{}
ACCOUNT_ACTIVATION_DAYS
7
ADMINS
[]
ALLOWED_HOSTS
['1bilge1ulke.gumushane.edu.tr', 'bbbu.gumushane.edu.tr']
APPEND_SLASH
True
AUTHENTICATION_BACKENDS
[u'django.contrib.auth.backends.ModelBackend']
AUTH_PASSWORD_VALIDATORS
u'********************'
AUTH_USER_MODEL
u'auth.User'
BASE_DIR
'/home/webadmin/cnfrnces/1bilge1ulke'
BASE_URL
'http://bbbu.gumushane.edu.tr'
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
COMPRESS_CACHEABLE_PRECOMPILERS
()
COMPRESS_CACHE_BACKEND
u'default'
COMPRESS_CACHE_KEY_FUNCTION
u'********************'
COMPRESS_CLEAN_CSS_ARGUMENTS
u''
COMPRESS_CLEAN_CSS_BINARY
u'cleancss'
COMPRESS_CLOSURE_COMPILER_ARGUMENTS
u''
COMPRESS_CLOSURE_COMPILER_BINARY
u'java -jar compiler.jar'
COMPRESS_CSS_COMPRESSOR
u'compressor.css.CssCompressor'
COMPRESS_CSS_FILTERS
[u'compressor.filters.css_default.CssAbsoluteFilter']
COMPRESS_CSS_HASHING_METHOD
u'mtime'
COMPRESS_DATA_URI_MAX_SIZE
1024
COMPRESS_DEBUG_TOGGLE
None
COMPRESS_ENABLED
False
COMPRESS_JINJA2_GET_ENVIRONMENT
<function JINJA2_GET_ENVIRONMENT at 0x7f4b5dacd6d0>
COMPRESS_JS_COMPRESSOR
u'compressor.js.JsCompressor'
COMPRESS_JS_FILTERS
[u'compressor.filters.jsmin.JSMinFilter']
COMPRESS_MINT_DELAY
30
COMPRESS_MTIME_DELAY
10
COMPRESS_OFFLINE
False
COMPRESS_OFFLINE_CONTEXT
{u'STATIC_URL': u'/site_media/static/'}
COMPRESS_OFFLINE_MANIFEST
u'manifest.json'
COMPRESS_OFFLINE_TIMEOUT
31536000
COMPRESS_OUTPUT_DIR
u'CACHE'
COMPRESS_PARSER
u'compressor.parser.AutoSelectParser'
COMPRESS_PRECOMPILERS
()
COMPRESS_REBUILD_TIMEOUT
2592000
COMPRESS_ROOT
u'/home/webadmin/cnfrnces/1bilge1ulke/site_media/static'
COMPRESS_STORAGE
u'compressor.storage.CompressorFileStorage'
COMPRESS_TEMPLATE_FILTER_CONTEXT
{u'STATIC_URL': u'/site_media/static/'}
COMPRESS_URL
u'/site_media/static/'
COMPRESS_URL_PLACEHOLDER
u'/__compressor_url_placeholder__/'
COMPRESS_VERBOSE
False
COMPRESS_YUGLIFY_BINARY
u'yuglify'
COMPRESS_YUGLIFY_CSS_ARGUMENTS
u'--terminal'
COMPRESS_YUGLIFY_JS_ARGUMENTS
u'--terminal'
COMPRESS_YUI_BINARY
u'java -jar yuicompressor.jar'
COMPRESS_YUI_CSS_ARGUMENTS
u''
COMPRESS_YUI_JS_ARGUMENTS
u''
CRISPY_ALLOWED_TEMPLATE_PACKS
(u'bootstrap', u'uni_form', u'bootstrap3', u'bootstrap4', u'mdb_crispy')
CRISPY_TEMPLATE_PACK
u'bootstrap4'
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
[]
CSRF_USE_SESSIONS
False
DATABASES
{'default': {'ATOMIC_REQUESTS': False,
             'AUTOCOMMIT': True,
             'CONN_MAX_AGE': 0,
             'ENGINE': 'django.db.backends.mysql',
             'HOST': '',
             'NAME': '1bilge1ulkedb',
             'OPTIONS': {},
             'PASSWORD': u'********************',
             'PORT': '',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': None,
             'USER': 'django'}}
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'posta.gumushane.edu.tr'
EMAIL_HOST_PASSWORD
u'********************'
EMAIL_HOST_USER
u'sysadmin@gumushane.edu.tr'
EMAIL_PORT
587
EMAIL_SSL_CERTFILE
None
EMAIL_SSL_KEYFILE
u'********************'
EMAIL_SUBJECT_PREFIX
u'[Django] '
EMAIL_TIMEOUT
None
EMAIL_USE_LOCALTIME
False
EMAIL_USE_SSL
False
EMAIL_USE_TLS
True
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
FORM_RENDERER
u'django.forms.renderers.DjangoTemplates'
IGNORABLE_404_URLS
[]
INSTALLED_APPS
[u'themes.mdb',
 u'core',
 u'home',
 u'search',
 u'speakers',
 u'wagtail.contrib.modeladmin',
 u'wagtail.contrib.settings',
 u'wagtail.contrib.table_block',
 u'wagtail.wagtailforms',
 u'wagtail.wagtailredirects',
 u'wagtail.wagtailembeds',
 u'wagtail.wagtailusers',
 u'wagtail.wagtailsnippets',
 u'wagtail.wagtaildocs',
 u'wagtail.wagtailimages',
 u'wagtail.wagtailsearch',
 u'wagtail.wagtailadmin',
 u'wagtail.wagtailcore',
 u'wagtail.wagtailsites',
 u'wagtailgmaps',
 u'compressor',
 u'taggit',
 u'modelcluster',
 u'rest_framework',
 u'crispy_forms',
 u'django.contrib.admin',
 u'django.contrib.auth',
 u'django.contrib.contenttypes',
 u'django.contrib.sessions',
 u'django.contrib.messages',
 u'django.contrib.staticfiles']
INTERNAL_IPS
[]
LANGUAGES
(('tr', u'T\xfcrk\xe7e'), ('en', u'English'))
LANGUAGES_BIDI
[u'he', u'ar', u'fa', u'ur']
LANGUAGE_CODE
'tr'
LANGUAGE_COOKIE_AGE
None
LANGUAGE_COOKIE_DOMAIN
None
LANGUAGE_COOKIE_NAME
u'django_language'
LANGUAGE_COOKIE_PATH
u'/'
LOCALE_PATHS
[u'/home/webadmin/cnfrnces/1bilge1ulke/locale']
LOGGING
{}
LOGGING_CONFIG
u'logging.config.dictConfig'
LOGIN_REDIRECT_URL
u'/accounts/profile/'
LOGIN_URL
u'/accounts/login/'
LOGOUT_REDIRECT_URL
None
MANAGERS
[]
MEDIA_ROOT
u'/home/webadmin/cnfrnces/1bilge1ulke/site_media/media'
MEDIA_URL
u'/site_media/media/'
MESSAGE_STORAGE
u'django.contrib.messages.storage.fallback.FallbackStorage'
MIDDLEWARE
[u'django.contrib.sessions.middleware.SessionMiddleware',
 u'django.middleware.common.CommonMiddleware',
 u'django.middleware.csrf.CsrfViewMiddleware',
 u'django.contrib.auth.middleware.AuthenticationMiddleware',
 u'django.contrib.messages.middleware.MessageMiddleware',
 u'django.middleware.clickjacking.XFrameOptionsMiddleware',
 u'django.middleware.security.SecurityMiddleware',
 u'wagtail.wagtailcore.middleware.SiteMiddleware',
 u'django.middleware.locale.LocaleMiddleware',
 u'wagtail.wagtailredirects.middleware.RedirectMiddleware']
MIDDLEWARE_CLASSES
[u'django.middleware.common.CommonMiddleware',
 u'django.middleware.csrf.CsrfViewMiddleware']
MIGRATION_MODULES
{}
MONTH_DAY_FORMAT
u'F j'
NUMBER_GROUPING
0
PASSWORD_HASHERS
u'********************'
PASSWORD_RESET_TIMEOUT_DAYS
u'********************'
PREPEND_WWW
False
PROJECT_DIR
'/home/webadmin/cnfrnces/1bilge1ulke/cnfrnce'
ROOT_URLCONF
u'cnfrnce.urls'
SECRET_KEY
u'********************'
SECURE_BROWSER_XSS_FILTER
False
SECURE_CONTENT_TYPE_NOSNIFF
False
SECURE_HSTS_INCLUDE_SUBDOMAINS
False
SECURE_HSTS_PRELOAD
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
'cnfrnce.settings.production'
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
[]
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
u'/home/webadmin/cnfrnces/1bilge1ulke/site_media/static'
STATIC_URL
u'/site_media/static/'
TEMPLATES
[{'APP_DIRS': True,
  'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'DIRS': ['/home/webadmin/cnfrnces/1bilge1ulke/themes/mdb/bbbu_templates'],
  'OPTIONS': {'context_processors': ['django.template.context_processors.debug',
                                     'django.template.context_processors.request',
                                     'django.contrib.auth.context_processors.auth',
                                     'django.contrib.messages.context_processors.messages',
                                     'wagtail.contrib.settings.context_processors.settings']}}]
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
'Europe/Istanbul'
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
WAGTAIL_ADDRESS_MAP_CENTER
'G\xc3\xbcm\xc3\xbc\xc5\x9fhane \xc3\x9cniversitsi, T\xc3\xbcrkiye'
WAGTAIL_ADDRESS_MAP_KEY
u'********************'
WAGTAIL_ADDRESS_MAP_ZOOM
15
WAGTAIL_SITE_NAME
'cnfrnce'
WSGI_APPLICATION
u'cnfrnce.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.