agent_annual_report.ipynb：wrong with 'get_key_data'

I ran agent_annual_report.ipynb in file turtorials_beginner. It analyzes balance sheet successfully and outputs balance_sheet_analysis.txt. However, it fails in the next step. What's wrong 😭

BadRequestError: Error code: 400 - {'error': {'message': "Invalid schema for function 'get_key_data': '' is not valid under any of the given schemas. (request id: 20240706124204617622629refrDPzo) (request id: 20240706124204427722344Qdl5N5gr) (request id: 20240706124203251617704U5v6fbcs) (request id: 20240706124203201500212RlPirC9W)", 'type': 'invalid_request_error', 'param': '', 'code': None}}

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