Error handling

try:
    data_response = client.query_invoice_data(data_request)
    # ...
except ois.GeneralError as err:
    gen_err: ois.GeneralErrorResponse = ois.deserialize_general_error_response(err.general_error_response)
    print(gen_err.result.message)
    print(gen_err.result.error_code)
    print(gen_err.result.func_code)

    for tvm in gen_err.technical_validation_messages:
        print(tvm.message)
        print(tvm.validation_error_code)
        print(tvm.validation_result_code)
except Exception as err:
    print(err)