Closed maxpatiiuk closed 3 years ago
As you can see looking at the tree below, Freezer is the last level of this Storage Tree
Freezer
Adding a child to it generates an exception on the Save button press
Save
Also, Definition Item is not defined when adding a child to the last tree level:
Definition Item
RelatedObjectDoesNotExist at /api/specify/storage/ Storage has no definitionitem. Request Method: POST Request URL: http://db6.biwebdbtest.nhm.ku.edu/api/specify/storage/ Django Version: 2.2.10 Python Executable: /opt/specify7/ve/bin/python Python Version: 3.6.9 Python Path: ['/usr/lib/python36.zip', '/usr/lib/python3.6', '/usr/lib/python3.6/lib-dynload', '/opt/specify7/ve/lib/python3.6/site-packages', '/opt/specify7'] Server time: Mon, 29 Jun 2020 15:10:01 -0500 Installed Applications: ('django.contrib.sessions', 'django.contrib.staticfiles', 'django.contrib.contenttypes', 'django.contrib.auth', 'specifyweb.specify', 'specifyweb.stored_queries', 'specifyweb.businessrules', 'specifyweb.express_search', 'specifyweb.context', 'specifyweb.attachment_gw', 'specifyweb.frontend', 'specifyweb.barvis', 'specifyweb.report_runner', 'specifyweb.interactions', 'specifyweb.workbench', 'specifyweb.notifications', 'specifyweb.export', 'specifyweb.raven_placeholder') Installed Middleware: ['django.middleware.gzip.GZipMiddleware', 'django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'specifyweb.context.middleware.ContextMiddleware'] Traceback: File "/opt/specify7/ve/lib/python3.6/site-packages/django/core/handlers/exception.py" in inner 34. response = get_response(request) File "/opt/specify7/ve/lib/python3.6/site-packages/django/core/handlers/base.py" in _get_response 115. response = self.process_exception_by_middleware(e, request) File "/opt/specify7/ve/lib/python3.6/site-packages/django/core/handlers/base.py" in _get_response 113. response = wrapped_callback(request, *callback_args, **callback_kwargs) File "/opt/specify7/specifyweb/specify/views.py" in wrapped 22. return view(request, *args, **kwargs) File "/opt/specify7/ve/lib/python3.6/site-packages/django/views/decorators/cache.py" in _cache_controlled 31. response = viewfunc(request, *args, **kw) File "/opt/specify7/specifyweb/specify/views.py" in wrapped 30. return view(request, *args, **kwargs) File "/opt/specify7/specifyweb/specify/views.py" in view 44. return dispatch_func(request, *args, **kwargs) File "/opt/specify7/specifyweb/specify/api.py" in collection_dispatch 180. request.GET.get('recordsetid', None)) File "/usr/lib/python3.6/contextlib.py" in inner 52. return func(*args, **kwds) File "/opt/specify7/specifyweb/specify/api.py" in post_resource 266. obj = create_obj(collection, agent, name, data) File "/opt/specify7/specifyweb/specify/api.py" in create_obj 343. autonumber_and_save(collection, agent.specifyuser, obj) File "/opt/specify7/specifyweb/specify/autonumbering.py" in autonumber_and_save 41. obj.save() File "/opt/specify7/specifyweb/specify/build_models.py" in save 55. return super(model, self).save(*args, **kwargs) File "/opt/specify7/specifyweb/specify/tree_extras.py" in save 30. self.rankid = self.definitionitem.rankid File "/opt/specify7/ve/lib/python3.6/site-packages/django/db/models/fields/related_descriptors.py" in __get__ 189. "%s has no %s." % (self.field.model.__name__, self.field.name) Exception Type: RelatedObjectDoesNotExist at /api/specify/storage/ Exception Value: Storage has no definitionitem. Request information: USER: Specifyuser object (1) GET: No GET data POST: No POST data FILES: No FILES data COOKIES: csrftoken = 'EhhupVqxgDdEzDzIbAlMlut0Uqop69qtfjAYjS9C8DL8FOcVJ40YEhUCVEd25yXB' collection = '32768' sessionid = '4sybvsz84ztlfbej6d38l2rf9i0yfk6t' 1.sp-print-on-save.Loan.generateInvoice = 'true' 1.geography.1.default_initial_conformation = '~~1~1732~1743----' META: CONTENT_LENGTH = '105' CONTENT_TYPE = 'application/json' CONTEXT_DOCUMENT_ROOT = '/var/www/html' CONTEXT_PREFIX = '' CSRF_COOKIE = 'EhhupVqxgDdEzDzIbAlMlut0Uqop69qtfjAYjS9C8DL8FOcVJ40YEhUCVEd25yXB' DOCUMENT_ROOT = '/var/www/html' GATEWAY_INTERFACE = 'CGI/1.1' HTTP_ACCEPT = 'application/json, text/javascript, */*; q=0.01' HTTP_ACCEPT_ENCODING = 'gzip, deflate' HTTP_ACCEPT_LANGUAGE = 'en-US,en;q=0.5' HTTP_CONNECTION = 'Keep-Alive' HTTP_COOKIE = 'csrftoken=EhhupVqxgDdEzDzIbAlMlut0Uqop69qtfjAYjS9C8DL8FOcVJ40YEhUCVEd25yXB; collection=32768; sessionid=4sybvsz84ztlfbej6d38l2rf9i0yfk6t; 1.sp-print-on-save.Loan.generateInvoice=true; 1.geography.1.default_initial_conformation=~~1~1732~1743----' HTTP_HOST = 'db6.biwebdbtest.nhm.ku.edu' HTTP_ORIGIN = 'http://db6.biwebdbtest.nhm.ku.edu' HTTP_REFERER = 'http://db6.biwebdbtest.nhm.ku.edu/specify/tree/storage/?conformation=~~1~2~4----' HTTP_USER_AGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Firefox/78.0' HTTP_X_CSRFTOKEN = 'EhhupVqxgDdEzDzIbAlMlut0Uqop69qtfjAYjS9C8DL8FOcVJ40YEhUCVEd25yXB' HTTP_X_FORWARDED_FOR = '10.125.131.80' HTTP_X_FORWARDED_HOST = 'db6.biwebdbtest.nhm.ku.edu' HTTP_X_FORWARDED_SERVER = 'db6.biwebdbtest.nhm.ku.edu' HTTP_X_REQUESTED_WITH = 'XMLHttpRequest' PATH_INFO = '/api/specify/storage/' PATH_TRANSLATED = '/opt/specify7/specifyweb.wsgi/api/specify/storage/' QUERY_STRING = '' REMOTE_ADDR = '172.17.0.1' REMOTE_PORT = '49870' REQUEST_METHOD = 'POST' REQUEST_SCHEME = 'http' REQUEST_URI = '/api/specify/storage/' SCRIPT_FILENAME = '/opt/specify7/specifyweb.wsgi' SCRIPT_NAME = '' SERVER_ADDR = '172.17.0.2' SERVER_ADMIN = '[no address given]' SERVER_NAME = 'db6.biwebdbtest.nhm.ku.edu' SERVER_PORT = '80' SERVER_PROTOCOL = 'HTTP/1.1' SERVER_SIGNATURE = '<address>Apache/2.4.29 (Ubuntu) Server at db6.biwebdbtest.nhm.ku.edu Port 80</address>\n' SERVER_SOFTWARE = 'Apache/2.4.29 (Ubuntu)' apache.version = '(2, 4, 29)' mod_wsgi.application_group = '172.17.0.2|' mod_wsgi.callable_object = 'application' mod_wsgi.daemon_connects = '1' mod_wsgi.daemon_restarts = '0' mod_wsgi.daemon_start = '1593443401412983' 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 = '/api/specify/storage/' mod_wsgi.process_group = '$servername' mod_wsgi.queue_start = '1593443401412746' mod_wsgi.request_handler = 'wsgi-script' mod_wsgi.request_id = 'Qi/pcyqDD94' mod_wsgi.request_start = '1593443401412418' mod_wsgi.script_name = '' mod_wsgi.script_reloading = '1' mod_wsgi.script_start = '1593443401413154' mod_wsgi.thread_id = 3 mod_wsgi.thread_requests = 470 mod_wsgi.total_requests = 2631 mod_wsgi.version = '(4, 5, 17)' wsgi.errors = <_io.TextIOWrapper name='<wsgi.errors>' encoding='utf-8'> wsgi.file_wrapper = '' wsgi.input = <mod_wsgi.Input object at 0x7f93bd42f960> wsgi.multiprocess = False wsgi.multithread = True wsgi.run_once = False wsgi.url_scheme = 'http' wsgi.version = '(1, 0)' Settings: Using settings module specifyweb.settings ABSOLUTE_URL_OVERRIDES = {} ADMINS = '()' ADMIN_MEDIA_PREFIX = '/static/admin/' ALLOWED_HOSTS = ['*'] ALLOW_SPECIFY6_PASSWORDS = '********************' ALLOW_SUPPORT_LOGIN = False ANONYMOUS_USER = None APPEND_SLASH = True AUTHENTICATION_BACKENDS = ['django.contrib.auth.backends.ModelBackend'] AUTH_LDAP_SERVER_URI = None AUTH_PASSWORD_VALIDATORS = '********************' AUTH_USER_MODEL = 'specify.Specifyuser' CACHES = {'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}} CACHE_MIDDLEWARE_ALIAS = 'default' CACHE_MIDDLEWARE_KEY_PREFIX = '********************' CACHE_MIDDLEWARE_SECONDS = 600 CSRF_COOKIE_AGE = 31449600 CSRF_COOKIE_DOMAIN = None CSRF_COOKIE_HTTPONLY = False CSRF_COOKIE_NAME = 'csrftoken' CSRF_COOKIE_PATH = '/' CSRF_COOKIE_SAMESITE = 'Lax' CSRF_COOKIE_SECURE = False CSRF_FAILURE_VIEW = 'django.views.csrf.csrf_failure' CSRF_HEADER_NAME = 'HTTP_X_CSRFTOKEN' CSRF_TRUSTED_ORIGINS = [] CSRF_USE_SESSIONS = False DATABASES = {'default': {'ENGINE': 'specifyweb.hibernateboolsbackend.backends.mysql', 'NAME': 'sp7demofish', 'USER': 'MasterUser', 'PASSWORD': '********************', 'HOST': '172.17.0.1', 'PORT': '', 'TEST': {'CHARSET': None, 'COLLATION': None, 'NAME': None, 'MIRROR': None}, 'ATOMIC_REQUESTS': False, 'AUTOCOMMIT': True, 'CONN_MAX_AGE': 0, 'OPTIONS': {}, 'TIME_ZONE': None}} DATABASE_HOST = '172.17.0.1' DATABASE_NAME = 'sp7demofish' DATABASE_PORT = '' DATABASE_ROUTERS = [] DATA_UPLOAD_MAX_MEMORY_SIZE = 2621440 DATA_UPLOAD_MAX_NUMBER_FIELDS = 1000 DATETIME_FORMAT = 'N j, Y, P' DATETIME_INPUT_FORMATS = ['%Y-%m-%d %H:%M:%S', '%Y-%m-%d %H:%M:%S.%f', '%Y-%m-%d %H:%M', '%Y-%m-%d', '%m/%d/%Y %H:%M:%S', '%m/%d/%Y %H:%M:%S.%f', '%m/%d/%Y %H:%M', '%m/%d/%Y', '%m/%d/%y %H:%M:%S', '%m/%d/%y %H:%M:%S.%f', '%m/%d/%y %H:%M', '%m/%d/%y'] DATE_FORMAT = 'N j, Y' DATE_INPUT_FORMATS = ['%Y-%m-%d', '%m/%d/%Y', '%m/%d/%y', '%b %d %Y', '%b %d, %Y', '%d %b %Y', '%d %b, %Y', '%B %d %Y', '%B %d, %Y', '%d %B %Y', '%d %B, %Y'] DEBUG = True DEBUG_PROPAGATE_EXCEPTIONS = False DECIMAL_SEPARATOR = '.' DEFAULT_CHARSET = 'utf-8' DEFAULT_CONTENT_TYPE = 'text/html' DEFAULT_EXCEPTION_REPORTER_FILTER = 'django.views.debug.SafeExceptionReporterFilter' DEFAULT_FILE_STORAGE = 'django.core.files.storage.FileSystemStorage' DEFAULT_FROM_EMAIL = 'webmaster@localhost' DEFAULT_INDEX_TABLESPACE = '' DEFAULT_TABLESPACE = '' DEPOSITORY_DIR = '/home/specify/specify_depository' DISABLE_AUDITING = False DISALLOWED_USER_AGENTS = [] EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend' EMAIL_HOST = 'localhost' EMAIL_HOST_PASSWORD = '********************' EMAIL_HOST_USER = '' EMAIL_PORT = 25 EMAIL_SSL_CERTFILE = None EMAIL_SSL_KEYFILE = '********************' EMAIL_SUBJECT_PREFIX = '[Django] ' EMAIL_TIMEOUT = None EMAIL_USE_LOCALTIME = False EMAIL_USE_SSL = False EMAIL_USE_TLS = False FILE_CHARSET = 'utf-8' FILE_UPLOAD_DIRECTORY_PERMISSIONS = None FILE_UPLOAD_HANDLERS = ['django.core.files.uploadhandler.MemoryFileUploadHandler', '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 = 'django.forms.renderers.DjangoTemplates' IGNORABLE_404_URLS = [] INSTALLED_APPS = "('django.contrib.sessions', 'django.contrib.staticfiles', 'django.contrib.contenttypes', 'django.contrib.auth', 'specifyweb.specify', 'specifyweb.stored_queries', 'specifyweb.businessrules', 'specifyweb.express_search', 'specifyweb.context', 'specifyweb.attachment_gw', 'specifyweb.frontend', 'specifyweb.barvis', 'specifyweb.report_runner', 'specifyweb.interactions', 'specifyweb.workbench', 'specifyweb.notifications', 'specifyweb.export', 'specifyweb.raven_placeholder')" INTERNAL_IPS = [] JAVA_PATH = '/usr/bin/java' LANGUAGES = [('af', 'Afrikaans'), ('ar', 'Arabic'), ('ast', 'Asturian'), ('az', 'Azerbaijani'), ('bg', 'Bulgarian'), ('be', 'Belarusian'), ('bn', 'Bengali'), ('br', 'Breton'), ('bs', 'Bosnian'), ('ca', 'Catalan'), ('cs', 'Czech'), ('cy', 'Welsh'), ('da', 'Danish'), ('de', 'German'), ('dsb', 'Lower Sorbian'), ('el', 'Greek'), ('en', 'English'), ('en-au', 'Australian English'), ('en-gb', 'British English'), ('eo', 'Esperanto'), ('es', 'Spanish'), ('es-ar', 'Argentinian Spanish'), ('es-co', 'Colombian Spanish'), ('es-mx', 'Mexican Spanish'), ('es-ni', 'Nicaraguan Spanish'), ('es-ve', 'Venezuelan Spanish'), ('et', 'Estonian'), ('eu', 'Basque'), ('fa', 'Persian'), ('fi', 'Finnish'), ('fr', 'French'), ('fy', 'Frisian'), ('ga', 'Irish'), ('gd', 'Scottish Gaelic'), ('gl', 'Galician'), ('he', 'Hebrew'), ('hi', 'Hindi'), ('hr', 'Croatian'), ('hsb', 'Upper Sorbian'), ('hu', 'Hungarian'), ('hy', 'Armenian'), ('ia', 'Interlingua'), ('id', 'Indonesian'), ('io', 'Ido'), ('is', 'Icelandic'), ('it', 'Italian'), ('ja', 'Japanese'), ('ka', 'Georgian'), ('kab', 'Kabyle'), ('kk', 'Kazakh'), ('km', 'Khmer'), ('kn', 'Kannada'), ('ko', 'Korean'), ('lb', 'Luxembourgish'), ('lt', 'Lithuanian'), ('lv', 'Latvian'), ('mk', 'Macedonian'), ('ml', 'Malayalam'), ('mn', 'Mongolian'), ('mr', 'Marathi'), ('my', 'Burmese'), ('nb', 'Norwegian Bokmål'), ('ne', 'Nepali'), ('nl', 'Dutch'), ('nn', 'Norwegian Nynorsk'), ('os', 'Ossetic'), ('pa', 'Punjabi'), ('pl', 'Polish'), ('pt', 'Portuguese'), ('pt-br', 'Brazilian Portuguese'), ('ro', 'Romanian'), ('ru', 'Russian'), ('sk', 'Slovak'), ('sl', 'Slovenian'), ('sq', 'Albanian'), ('sr', 'Serbian'), ('sr-latn', 'Serbian Latin'), ('sv', 'Swedish'), ('sw', 'Swahili'), ('ta', 'Tamil'), ('te', 'Telugu'), ('th', 'Thai'), ('tr', 'Turkish'), ('tt', 'Tatar'), ('udm', 'Udmurt'), ('uk', 'Ukrainian'), ('ur', 'Urdu'), ('vi', 'Vietnamese'), ('zh-hans', 'Simplified Chinese'), ('zh-hant', 'Traditional Chinese')] LANGUAGES_BIDI = ['he', 'ar', 'fa', 'ur'] LANGUAGE_CODE = 'en-us' LANGUAGE_COOKIE_AGE = None LANGUAGE_COOKIE_DOMAIN = None LANGUAGE_COOKIE_NAME = 'django_language' LANGUAGE_COOKIE_PATH = '/' LOCALE_PATHS = [] LOGGING = {'version': 1, 'disable_existing_loggers': False, 'filters': {'require_debug_false': {'()': 'django.utils.log.RequireDebugFalse'}}, 'handlers': {'mail_admins': {'level': 'ERROR', 'filters': ['require_debug_false'], 'class': 'django.utils.log.AdminEmailHandler'}, 'console': {'level': 'DEBUG', 'class': 'logging.StreamHandler'}}, 'loggers': {'django.request': {'handlers': ['mail_admins'], 'level': 'DEBUG', 'propagate': True}, 'specify': {'handlers': ['console'], 'level': 'INFO', 'propagate': True}}} LOGGING_CONFIG = 'logging.config.dictConfig' LOGIN_REDIRECT_URL = '/' LOGIN_URL = '/accounts/login/' LOGOUT_REDIRECT_URL = None MANAGERS = '()' MASTER_NAME = 'MasterUser' MASTER_PASSWORD = '********************' MEDIA_ROOT = '' MEDIA_URL = '' MESSAGE_STORAGE = 'django.contrib.messages.storage.fallback.FallbackStorage' MIDDLEWARE = ['django.middleware.gzip.GZipMiddleware', 'django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'specifyweb.context.middleware.ContextMiddleware'] MIGRATION_MODULES = {} MONTH_DAY_FORMAT = 'F j' NOTIFICATION_TTL_DAYS = 7 NUMBER_GROUPING = 0 PASSWORD_HASHERS = '********************' PASSWORD_RESET_TIMEOUT_DAYS = '********************' PREPEND_WWW = False RAVEN_CONFIG = None REPORT_RUNNER_HOST = '172.17.0.1' REPORT_RUNNER_PORT = '9999' ROOT_URLCONF = 'specifyweb.urls' RO_MODE = False SA_DATABASE_URL = 'mysql://MasterUser:MasterPassword@172.17.0.1:3306/sp7demofish?charset=utf8' SA_POOL_RECYCLE = 3600 SCHEMA_LANGUAGE = 'en' SECRET_KEY = '********************' 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 = 'root@localhost' SESSION_CACHE_ALIAS = 'default' SESSION_COOKIE_AGE = 1209600 SESSION_COOKIE_DOMAIN = None SESSION_COOKIE_HTTPONLY = True SESSION_COOKIE_NAME = 'sessionid' SESSION_COOKIE_PATH = '/' SESSION_COOKIE_SAMESITE = 'Lax' SESSION_COOKIE_SECURE = False SESSION_ENGINE = 'django.contrib.sessions.backends.file' SESSION_EXPIRE_AT_BROWSER_CLOSE = True SESSION_FILE_PATH = None SESSION_SAVE_EVERY_REQUEST = False SESSION_SERIALIZER = 'django.contrib.sessions.serializers.JSONSerializer' SETTINGS_MODULE = 'specifyweb.settings' SHORT_DATETIME_FORMAT = 'm/d/Y P' SHORT_DATE_FORMAT = 'm/d/Y' SIGNING_BACKEND = 'django.core.signing.TimestampSigner' SILENCED_SYSTEM_CHECKS = [] SITE_ID = 1 SPECIFY_CONFIG_DIR = '/opt/Specify/config' SPECIFY_THICK_CLIENT = '/opt/Specify' STATICFILES_DIRS = "(('config', '/opt/Specify/config'),)" STATICFILES_FINDERS = "('django.contrib.staticfiles.finders.FileSystemFinder', 'django.contrib.staticfiles.finders.AppDirectoriesFinder')" STATICFILES_STORAGE = 'django.contrib.staticfiles.storage.StaticFilesStorage' STATIC_ROOT = '' STATIC_URL = '/static/' STATS_URL = 'https://stats.specifycloud.org/capture' SUPPORT_LOGIN_TTL = 300 TEMPLATES = [{'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': [], 'APP_DIRS': True, 'OPTIONS': {'context_processors': ['django.contrib.auth.context_processors.auth', 'django.template.context_processors.debug', 'django.template.context_processors.i18n', 'django.template.context_processors.media', 'django.template.context_processors.static', 'django.template.context_processors.tz', 'django.contrib.messages.context_processors.messages']}}] TEST_NON_SERIALIZED_APPS = [] TEST_RUNNER = 'django.test.runner.DiscoverRunner' THICK_CLIENT_LOCATION = '/opt/Specify' THOUSAND_SEPARATOR = ',' TIME_FORMAT = 'P' TIME_INPUT_FORMATS = ['%H:%M:%S', '%H:%M:%S.%f', '%H:%M'] TIME_ZONE = 'America/Chicago' USE_I18N = True USE_L10N = True USE_THOUSAND_SEPARATOR = False USE_TZ = False USE_X_FORWARDED_HOST = False USE_X_FORWARDED_PORT = False VERSION = 'v7.3.1-142-gc0dfc964(debug)' WB_UPLOAD_LOG_DIR = '/var/cache/specify_wb_upload/' WEB_ATTACHMENT_COLLECTION = None WEB_ATTACHMENT_KEY = '********************' WEB_ATTACHMENT_REQUIRES_KEY_FOR_GET = '********************' WEB_ATTACHMENT_URL = 'https://demo-assets.specifycloud.org/web_asset_store.xml' WSGI_APPLICATION = None X_FRAME_OPTIONS = 'SAMEORIGIN' YEAR_MONTH_FORMAT = '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.
It's not possible to add nodes below the lowest rank of a tree so the "add child" option should probably be grayed out.
"Add child" is now disabled for lowest rank.
As you can see looking at the tree below,
Freezer
is the last level of this Storage TreeAdding a child to it generates an exception on the
Save
button pressAlso,
Definition Item
is not defined when adding a child to the last tree level: