>>I have the following classes as models:
>>
>>attachment 1 is the profile class. 2 is the Measrements class and 3 is the web api.
>>
>>The return profile object contains a measurement list with 4 objects. When I execute the call to the rest api:
>>
>>localhost/30504/api/Setting/1, I get the following error in attachment 4:
>>
>>When I remove the list object from profile, it works just fine. How do I get this to serialize/deserialize correctly?
>>Thanks in advance for you help... I'm new at this..
>
>Your Measurement class has a reference to ProfileSetting class, so it looks like ProfileSetting has a list of Measurements and Measurement has ProfileSetting, so you're in a circular reference.
>
>Could this be a problem?

Maybe, but i tried to return just a list of meazurements by itself. Same error. That's how you reference foreign keys in ef6, btw.