development.json

{
	"site": {
		"webservice": "http://bookbrainz.mbsandbox.org/ws",
		"proxyTrust": true,
		"log": "debug"
	},
	"musicbrainz": {
		"clientID": "my_clientID",
		"clientSecret": "my_clientSecret",
		"callbackURL": "http://localhost:9099/cb"
	},
	"session": {
		"secret": "Something here!",
		"secure": false,
		"redis": {
			"host": "localhost",
			"port": 6379,
			"ttl": 3600
		}
	},
	"database": {
		"client": "pg",
		"connection": {
			"host": "127.0.0.1",
			"database": "bookbrainz",
			"user": "postgres",
			"password": "postgres"
		}
	},
	"search": {
	    "host": "localhost:9200"
	}
}

error

(node:15055) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): TypeError: Cannot set property 'mbProfile' of undefined
(node:15055) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.