raceback (most recent call last):
  File "/opt/anaconda3/lib/python3.6/site-packages/pandas/core/indexes/base.py", line 3109, in get_value
    return libindex.get_value_box(s, key)
  File "pandas/_libs/index.pyx", line 55, in pandas._libs.index.get_value_box
  File "pandas/_libs/index.pyx", line 63, in pandas._libs.index.get_value_box
TypeError: 'str' object cannot be interpreted as an integer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "ExecutionFiles/execution_private_area_update.py", line 26, in <module>
    threading_processes=6
  File "/euclidea/maruska/AreaPrivata/private_area_main.py", line 196, in update_all_clients_private_area
    sql_update_is_performed_sequentially=sql_update_is_performed_sequentially
  File "/euclidea/maruska/AreaPrivata/private_area_main.py", line 35, in single_client_full_update_private_area
    carve_out_known_troublesome_clients=carve_out_known_troublesome_clients)
  File "/euclidea/maruska/AreaPrivata/client_performance_decomposition_core_piece.py", line 434, in __init__
    apply_tax=False)
  File "/euclidea/maruska/AreaPrivata/client_performance_decomposition_core_piece.py", line 266, in apply_adjustments
    lambda x: x.truncate(before=starting_dates_of_each_client[x.name[0]]))
  File "/opt/anaconda3/lib/python3.6/site-packages/pandas/core/frame.py", line 6004, in apply
    return op.get_result()
  File "/opt/anaconda3/lib/python3.6/site-packages/pandas/core/apply.py", line 318, in get_result
    return super(FrameRowApply, self).get_result()
  File "/opt/anaconda3/lib/python3.6/site-packages/pandas/core/apply.py", line 142, in get_result
    return self.apply_standard()
  File "/opt/anaconda3/lib/python3.6/site-packages/pandas/core/apply.py", line 248, in apply_standard
    self.apply_series_generator()
  File "/opt/anaconda3/lib/python3.6/site-packages/pandas/core/apply.py", line 277, in apply_series_generator
    results[i] = self.f(v)
  File "/euclidea/maruska/AreaPrivata/client_performance_decomposition_core_piece.py", line 266, in <lambda>
    lambda x: x.truncate(before=starting_dates_of_each_client[x.name[0]]))
  File "/opt/anaconda3/lib/python3.6/site-packages/pandas/core/series.py", line 766, in __getitem__
    result = self.index.get_value(self, key)
  File "/opt/anaconda3/lib/python3.6/site-packages/pandas/core/indexes/base.py", line 3117, in get_value
    raise e1
  File "/opt/anaconda3/lib/python3.6/site-packages/pandas/core/indexes/base.py", line 3103, in get_value
    tz=getattr(series.dtype, 'tz', None))
  File "pandas/_libs/index.pyx", line 106, in pandas._libs.index.IndexEngine.get_value
  File "pandas/_libs/index.pyx", line 114, in pandas._libs.index.IndexEngine.get_value
  File "pandas/_libs/index.pyx", line 162, in pandas._libs.index.IndexEngine.get_loc
  File "pandas/_libs/hashtable_class_helper.pxi", line 1492, in pandas._libs.hashtable.PyObjectHashTable.get_item
  File "pandas/_libs/hashtable_class_helper.pxi", line 1500, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: ('WM8FVQ1L', 'occurred at index (WM8FVQ1L, AXA WF Euro Credit Short Duration EUR)')