GENERIC_USER_ERROR for Athena + Dynamodb

I created a Athena connector for my DynamoDB. However, when running a simple select query, I run into the following errors. Any help will be appreciated!

GENERIC_USER_ERROR: Encountered an exception[Runtime.ExitError] from your LambdaFunction[arn:aws:lambda:us-west-1:541750221373:function:my_test_catalog] executed in context[retrieving meta-data] with message[RequestId: 8af8027b-2385-4279-ac6c-d45773912907 Error: Runtime exited with error: exit status 1] This query ran against the "default" database, unless qualified by the query. Please post the error message on our forum or contact customer support with Query Id: 542232b7-3070-4793-a6f5-78a653164712