Notice: Undefined index: @id in Drupal\jsonld\Normalizer\NormalizerBase::deduplicateArrayOfIds() (line 110 of /data/www/special/drupal/modules/contrib/jsonld/src/Normalizer/NormalizerBase.php)
#0 /data/www/special/drupal/core/includes/bootstrap.inc(346): _drupal_error_handler_real()
#1 /data/www/special/drupal/modules/contrib/jsonld/src/Normalizer/NormalizerBase.php(110): _drupal_error_handler()
#2 /data/www/special/drupal/modules/contrib/jsonld/src/Normalizer/NormalizerBase.php(86): Drupal\jsonld\Normalizer\NormalizerBase::deduplicateArrayOfIds()
#3 /data/www/special/drupal/modules/contrib/jsonld/src/Normalizer/ContentEntityNormalizer.php(174): Drupal\jsonld\Normalizer\NormalizerBase::deduplicateTypesAndReferences()
#4 /data/www/special/drupal/vendor/symfony/serializer/Serializer.php(153): Drupal\jsonld\Normalizer\ContentEntityNormalizer->normalize()
#5 /data/www/special/drupal/vendor/symfony/serializer/Serializer.php(126): Symfony\Component\Serializer\Serializer->normalize()
#6 /data/www/special/drupal/core/modules/rest/src/EventSubscriber/ResourceResponseSubscriber.php(160): Symfony\Component\Serializer\Serializer->serialize()
#7 /data/www/special/drupal/core/modules/rest/src/EventSubscriber/ResourceResponseSubscriber.php(75): Drupal\rest\EventSubscriber\ResourceResponseSubscriber->renderResponseBody()
#8 [internal function]: Drupal\rest\EventSubscriber\ResourceResponseSubscriber->onResponse()
#9 /data/www/special/drupal/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php(142): call_user_func()
#10 /data/www/special/drupal/vendor/symfony/http-kernel/HttpKernel.php(191): Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch()
#11 /data/www/special/drupal/vendor/symfony/http-kernel/HttpKernel.php(179): Symfony\Component\HttpKernel\HttpKernel->filterResponse()
#12 /data/www/special/drupal/vendor/symfony/http-kernel/HttpKernel.php(80): Symfony\Component\HttpKernel\HttpKernel->handleRaw()
#13 /data/www/special/drupal/core/lib/Drupal/Core/StackMiddleware/Session.php(58): Symfony\Component\HttpKernel\HttpKernel->handle()
#14 /data/www/special/drupal/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\Core\StackMiddleware\Session->handle()
#15 /data/www/special/drupal/core/modules/page_cache/src/StackMiddleware/PageCache.php(106): Drupal\Core\StackMiddleware\KernelPreHandle->handle()
#16 /data/www/special/drupal/core/modules/page_cache/src/StackMiddleware/PageCache.php(85): Drupal\page_cache\StackMiddleware\PageCache->pass()
#17 /data/www/special/drupal/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\page_cache\StackMiddleware\PageCache->handle()
#18 /data/www/special/drupal/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle()
#19 /data/www/special/drupal/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle()
#20 /data/www/special/drupal/core/lib/Drupal/Core/DrupalKernel.php(708): Stack\StackedHttpKernel->handle()
#21 /data/www/special/drupal/index.php(19): Drupal\Core\DrupalKernel->handle()
#22 {main}
.
I'm not sure what it is complaining about, because none of the referenced objects in the JSON-LD that triggered it are missing an @id
property:
{
"@graph": [
{
"@id": "https://special.library.unlv.edu/node/338459",
"@type": [
"http://pcdm.org/models#Object",
"http://purl.org/coar/resource_type/c_c513"
],
"http://purl.org/dc/terms/title": [
{
"@value": "Photographs of Highland Girl Scout Cookout, Foster Parent's home opening, Reverend Walker's church, adult education graduation at Madison, Las Vegas (Nev.), 1967",
"@language": "en"
}
],
"http://schema.org/dateCreated": [
{
"@value": "2020-11-09T21:56:37+00:00",
"@type": "http://www.w3.org/2001/XMLSchema#dateTime"
}
],
"http://schema.org/dateModified": [
{
"@value": "2022-06-06T20:45:58+00:00",
"@type": "http://www.w3.org/2001/XMLSchema#dateTime"
}
],
"http://purl.org/dc/terms/description": [
{
"@value": "<p>Unidentified men at the grand opening of Foster Parents Home. Two men shaking hands in front of a church. A graduation ceremony.</p>\r\n",
"@language": "en"
}
],
"http://purl.org/dc/terms/isPartOf": [
{
"@id": "https://special.library.unlv.edu/node/297751"
}
],
"http://purl.org/dc/terms/identifier": [
{
"@id": "http://n2t.net/ark:/62930/d1dj58n38"
},
{
"@value": "pho022087",
"@type": "http://www.w3.org/2001/XMLSchema#string"
}
],
"http://schema.org/sameAs": [
{
"@id": "http://n2t.net/ark:/62930/d1dj58n38"
},
{
"@id": "https://special.library.unlv.edu/node/338459"
}
],
"http://purl.org/dc/terms/bibliographicCitation": [
{
"@value": "<p>pho022087. Clinton Wright Photographic Negatives Collection. PH-00379. Special Collections and Archives, University Libraries, University of Nevada, Las Vegas. Las Vegas, Nevada. http://n2t.net/ark:/62930/d1dj58n38.</p>\r\n",
"@type": "http://www.w3.org/2001/XMLSchema#string"
}
],
"http://purl.org/dc/terms/creator": [
{
"@id": "https://special.library.unlv.edu/taxonomy/term/22388"
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/22388"
}
],
"http://purl.org/dc/terms/rights": [
{
"@value": "This material is made available to facilitate private study, scholarship, or research. It may be protected by copyright, trademark, privacy, publicity rights, or other interests not owned by UNLV. Users are responsible for determining whether permissions are necessary from rights owners for any intended use and for obtaining all required permissions. Acknowledgement of the UNLV University Libraries is requested. For more information, please see the UNLV Special Collections policies on reproduction and use (https://www.library.unlv.edu/speccol/research_and_services/reproductions) or contact us at [email protected].",
"@type": "http://www.w3.org/2001/XMLSchema#string"
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/12267"
}
],
"http://purl.org/dc/terms/provenance": [
{
"@id": "https://special.library.unlv.edu/taxonomy/term/638"
}
],
"http://purl.org/dc/terms/date": [
{
"@value": "1967",
"@type": "http://www.w3.org/2001/XMLSchema#string"
},
{
"@value": "1967",
"@type": "http://www.w3.org/2001/XMLSchema#gYear"
}
],
"http://purl.org/dc/terms/language": [
{
"@value": "en",
"@type": "http://www.w3.org/2001/XMLSchema#string"
}
],
"http://purl.org/dc/terms/spatial": [
{
"@id": "https://special.library.unlv.edu/taxonomy/term/1010"
}
],
"http://purl.org/dc/terms/medium": [
{
"@id": "https://special.library.unlv.edu/taxonomy/term/114"
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/115"
}
],
"http://purl.org/dc/terms/format": [
{
"@value": "image/tiff",
"@type": "http://www.w3.org/2001/XMLSchema#string",
"@container": "@list"
}
],
"http://purl.org/dc/terms/publisher": [
{
"@id": "https://special.library.unlv.edu/taxonomy/term/117"
}
],
"http://purl.org/dc/terms/type": [
{
"@id": "https://special.library.unlv.edu/taxonomy/term/107"
}
],
"http://purl.org/dc/terms/source": [
{
"@id": "https://special.library.unlv.edu/node/311097"
}
],
"http://purl.org/dc/terms/subject": [
{
"@id": "https://special.library.unlv.edu/taxonomy/term/12271"
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/22008"
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/155"
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/20534"
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/647"
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/20466"
}
]
},
{
"@id": "https://special.library.unlv.edu/node/297751",
"@type": [
"http://schema.org/ArchiveComponent",
"http://schema.org/Collection"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/22388",
"@type": [
"http://schema.org/Person"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/638",
"@type": [
"http://schema.org/Thing"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/1010",
"@type": [
"http://purl.org/dc/terms/Location",
"http://schema.org/Place"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/114",
"@type": [
"http://schema.org/Thing"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/115",
"@type": [
"http://schema.org/Thing"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/117",
"@type": [
"http://schema.org/Organization"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/107",
"@type": [
"http://schema.org/Thing"
]
},
{
"@id": "https://special.library.unlv.edu/node/311097",
"@type": [
"http://schema.org/ArchiveComponent"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/12267",
"@type": "https://special.library.unlv.edu/rest/type/taxonomy_term/standardized_rights_statement"
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/12271",
"@type": [
"http://schema.org/Thing"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/22008",
"@type": [
"http://schema.org/Thing"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/155",
"@type": [
"http://schema.org/Thing"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/20534",
"@type": [
"http://schema.org/Thing"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/647",
"@type": [
"http://schema.org/Thing"
]
},
{
"@id": "https://special.library.unlv.edu/taxonomy/term/20466",
"@type": [
"http://schema.org/Thing"
]
}
]
}