Machine Learning Workbench无法使用运行功能加载dprep数据 [英] Machine Learning Workbench Unable to load dprep data using run function

问题描述

在将dprep(prepare)数据加载到模型中时，出现以下错误，

While loading the dprep(prepare) data into model getting the following error,

Traceback (most recent call last):
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/site-packages/azureml/logging/_exec_wrapper.py", line 166, in execute
    raise exc
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/site-packages/azureml/logging/_exec_wrapper.py", line 164, in execute
    run_name="__main__")
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/runpy.py", line 254, in run_path
    pkg_name=pkg_name, script_name=fname)
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/runpy.py", line 96, in _run_module_code
    mod_name, mod_spec, pkg_name, script_name)
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "Salary.py", line 11, in <module>
    df = package.run('Salary.dprep', dataflow_idx=0)
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/site-packages/azureml/dataprep/package.py", line 23, in run
    secrets=secrets)
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/site-packages/dataprep/DataFlow.py", line 119, in get_dataframe
    self._app_services.engine_api.sendWriteActivityOutMessage(write_out_args)
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/site-packages/dataprep/EngineAPI.py", line 1157, in sendWriteActivityOutMessage
    self._event_loop.run_until_complete(self.processNotifications(notificationHandlers + [handler]))
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/asyncio/base_events.py", line 387, in run_until_complete
    return future.result()
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/asyncio/futures.py", line 274, in result
    raise self._exception
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/asyncio/tasks.py", line 239, in _step
    result = coro.send(None)
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/site-packages/dataprep/EngineAPI.py", line 44, in processNotifications
    handler.processMessage(message)
  File "/home/mmlspark/lib/conda/envs/azureml_8ef48697a55076b21e1851e1c3476184/lib/python3.5/site-packages/dataprep/EngineAPI.py", line 23, in processMessage
    raise EngineError(message['error'])
dataprep.EngineAPI.EngineError: {'errorCode': 'Microsoft.AmlWorkbench.ErrorCodes.Unknown', 'message': 'Referenced activity failed to resolve', 'errorData': {}}

有人可以在这个问题上帮助我吗?

Can anyone help me on this issue ?

谢谢.

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