Traceback (most recent call last):


 "/home/black/freqtrade/.env/lib/python3.8/site-packages/joblib/externals/loky/process_executor.py", line 431, in _process_worker

r = call_item()


 "/home/black/freqtrade/.env/lib/python3.8/site-packages/joblib/externals/loky/process_executor.py", line 285, in __call__

return self.fn(*self.args, **self.kwargs)


 "/home/black/freqtrade/.env/lib/python3.8/site-packages/joblib/_parallel_backends.py", line 595, in __call__

return self.func(*args, **kwargs)


 "/home/black/freqtrade/.env/lib/python3.8/site-packages/joblib/parallel.py", line 262, in __call__

return [func(*args, **kwargs)


 "/home/black/freqtrade/.env/lib/python3.8/site-packages/joblib/parallel.py", line 262, in <listcomp>

return [func(*args, **kwargs)


 "/home/black/freqtrade/.env/lib/python3.8/site-packages/joblib/externals/loky/cloudpickle_wrapper.py", line 38, in __call__

return self._obj(*args, **kwargs)


 "/home/black/freqtrade/freqtrade/optimize/hyperopt.py", line 538, in generate_optimizer

backtesting_results = self.backtesting.backtest(


 "/home/black/freqtrade/freqtrade/optimize/backtesting.py", line 348, in backtest

data: Dict = self._get_ohlcv_as_lists(processed)


 "/home/black/freqtrade/freqtrade/optimize/backtesting.py", line 204, in _get_ohlcv_as_lists

df_analyzed = self.strategy.advise_sell(


 "/home/black/freqtrade/user_data/hyperopts/sample_hyperopt.py", line 124, in populate_sell_trend

conditions.append(dataframe['mfi'] > params['sell-mfi-value'])


 "/home/black/freqtrade/.env/lib/python3.8/site-packages/pandas/core/frame.py", line 3024, in __getitem__

indexer = self.columns.get_loc(key)


 "/home/black/freqtrade/.env/lib/python3.8/site-packages/pandas/core/indexes/base.py", line 3082, in get_loc

raise KeyError(key) from err
KeyError: 'mfi'

Traceback (most recent call last):


 "./visualize_results.py", line 74, in <module>

main('results/SynthText.h5')


 "./visualize_results.py", line 55, in main

dsets = sorted(db['data'].keys())


 "/usr/lib/python2.7/dist-packages/h5py/_hl/group.py", line 153, in __getitem__

oid = h5o.open(self.id, self._e(name), lapl=self._lapl)


 "h5o.pyx", line 173, in h5py.h5o.open (h5py/h5o.c:3403)
KeyError: "unable to open object (Symbol table: Can't open object)"`
