{"isNL2AgentError":true,"error":{"code":"UnknownNL2AgentError","isSystemError":false,"message":"{\"name\":\"AxiosError\",\"message\":\"Request failed with status code 400\",\"data\":{\"ErrorCode\":4003,\"ErrorMessage\":\"The request must contain at least one user message with non-empty content.\",\"ErrorInfo\":null,\"Error\":{\"RetryIn\":null,\"InnerErrors\":[],\"Code\":\"InvalidInput\",\"Message\":\"The request must contain at least one user message with non-empty content.\",\"Properties\":{},\"Diagnostics\":null}},\"status\":400,\"statusText\":\"\",\"responseHeaders\":{\"x-ms-correlation-id\":\"7f66dec6-b68d-4afe-b47f-30ade6acddaf\",\"x-ms-service-request-id\":\"acccd659-1f14-4d89-9cca-85a7268716ba\"}}"}}