{"errorMessage": "The adapter was unable to infer a handler to use for the event. This is likely related to how the Lambda function was invoked. (Are you testing locally? Make sure the request payload is valid for a supported handler.)", "errorType": "RuntimeError", "requestId": "f1344a4f-3813-4961-8f55-8b29b3f23688", "stackTrace": ["  File \"/var/task/mangum/adapter.py\", line 76, in __call__\n    handler = self.infer(event, context)\n", "  File \"/var/task/mangum/adapter.py\", line 68, in infer\n    raise RuntimeError(  # pragma: no cover\n"]}