Traceback (most recent call last):


 "/Users/douggieclarke/Development/python/venv/qstraderp3/lib/python3.6/site-packages/pandas/indexes/base.py", line 1945, in get_loc

return self._engine.get_loc(key)


 "pandas/index.pyx", line 538, in pandas.index.DatetimeEngine.get_loc (pandas/index.c:11140)


 "pandas/index.pyx", line 577, in pandas.index.DatetimeEngine.get_loc (pandas/index.c:11046)


 "pandas/index.pyx", line 583, in pandas.index.DatetimeEngine._date_check_type (pandas/index.c:11210)
KeyError: 'next'

Traceback (most recent call last):


 "D:\libraries\julia\conda\3\lib\site-packages\traitlets\traitlets.py", line 535, in get

value = obj._trait_values[self.name]
KeyError: 'command'
