When I attempt to validate the challenge, I get this error:Challenge Not yet complete... here's what's wrong: There was an unexpected error in your org which is preventing this assessment check from completing: System.ListException: List index out of bounds: 0I went and looked at the External Data Source data and see this:<?xml version="1.0" encoding="UTF-8" standalone="yes" ?><feed xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xml:base="http://phone-odata-demo.herokuapp.com/devices.svc/phones" xmlns="http://www.w3.org/2005/Atom"><id>http://phone-odata-demo.herokuapp.com/devices.svc/phones</id><title type="text">phones</title><updated>2016-02-27T04:59:09.327Z</updated><link href="phones" rel="self" title="phones"></link><entry><id>http://phone-odata-demo.herokuapp.com/devices.svc/phones('NTZkMGRjOGI1Nzc4YmYwMzAwMmMxYTk4')</id><category scheme="http://schemas.microsoft.com/ado/2007/08/dataservices/scheme" term="devices.phones"></category><link href="phones('NTZkMGRjOGI1Nzc4YmYwMzAwMmMxYTk4')" rel="edit" title="phones"></link><title></title><updated>2016-02-27T04:59:09.328Z</updated><author><name></name></author><content type="application/xml"><m:properties><d:UUID>NTZkMGRjOGI1Nzc4YmYwMzAwMmMxYTk4</d:UUID><d:Brand>HTC</d:Brand><d:PhoneNumber>555-255-5556</d:PhoneNumber></m:properties></content></entry></feed>The debug log in Salesforce says that the data should have a UUID of '0000123442' but it is 'NTZkMGRjOGI1Nzc4YmYwMzAwMmMxYTk4' in the OData feed.The actual SOQL query that gets ran for the validation is: SELECT ID, UUID__r.Name FROM Phone__x WHERE UUID__c = '0000123442' LIMIT 1Without that data feed returning 0000123442, there is no way to pass the challenge.Any thoughts on what I could be doing wrong to not see the correct UUID returned?
Sorry for the inconvenience everyone. The app should be functioning properly now so please try the challenge again.Jeff DouglasTrailhead Developer Advocate
