No Primary Key

primaryKeyMissing

Model: 

MyApp.Photo = DS.Model.extend({
	primaryKey: 'id',
	id: DS.attr('string'),
	photoName: DS.attr('string'),
	photoDescription: DS.attr('string'),
	photoFullSizeURL: DS.attr('string'),
	photoThumbnailURL: DS.attr('string')
});

JSON retrieved from server: 

[
	{
		"id": "1",
		"photoName": "Bird Photo",
		"photoDescription": "Bird Photo Description",
		"photoFullSizeUrl": "photos/bird.jpg",
		"photoThumbnailUrl": "photos/bird_thumb.png"
		
	}
]

Adaptor for findAll: 

MyApp.Adapter = DS.Adapter.create({
	findAll: function(store, type) {
		var url = type.url;
		
		jQuery.getJSON(url, function(data) {
			console.log('getting from url: ' + url + ' length: ' + data.length);
			store.loadMany(type, data);
		});
	}
});

Error Message: 

Error: assertion failed: A data hash was loaded for a model of type MyApp.Photo but no primary key 'undefined' was provided.