asp.net web api - Breeze API Controller - The 'ObjectContent`1' type failed to serialize the response body for content type -


i getting error when attempting call 

public object lookups() {    var divisions = _contextprovider.context.divisions;                          return divisions; }

on breeze api controller.

the objectcontent`1' type failed serialize response body content type

what i'm doing wrong ?

return object, not iqueryable.

public object lookups() {    var divisions = _contextprovider.context.divisions;                          return new { divisions }; }

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