Traceback (most recent call last):
File "D:\veighna_studio\Lib\site-packages\vnpy_datamanager\ui\widget.py", line 610, in download
count: int = self.engine.download_bar_data(symbol, exchange, interval, start, self.output)
~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\veighna_studio\Lib\site-packages\vnpy_datamanager\engine.py", line 212, in download_bar_data
data: List[BarData] = self.datafeed.query_bar_history(req, output)
~~~~~~~~~^^^^^^^^^^^^^
File "D:\veighna_studio\Lib\site-packages\vnpy_tushare\tushare_datafeed.py", line 194, in query_bar_history
d1 = ts.pro_bar(
ts_code=ts_symbol,
...<3 lines>...
freq=ts_interval
)
File "D:\veighna_studio\Lib\site-packages\tushare\pro\data_pro.py", line 200, in pro_bar
raise IOError('ERROR.')
OSError: ERROR.