GraphQL Error Swallowed Natively but works in Express-graphql

Problem

Using Graphql 0.13.2 Executing graphql natively as follows through AWS Lambda: index.js - calls [code block] If the executing code throws an error, it usually returns message as string with [object, Object]. I suspect it wraps to GraphQLError. If I wrap the above error object using GraphQLError then I do not get anything back and my response.errors is an empty object {}. The only way I am able to get back data properly is to return an Error as a string or a GraphQLError as a string, I am unable to push back an object. Oddly enough if I run GraphQL with express and add the formatError with an error handler then that works, however using it natively it does not. It seems that I am missing something simple to get GraphQL to return the object instead of only working with strings. Any ideas?