C:\Users\Robert>flexget execute --debug
2016-05-03 23:09 INFO     manager                       Database upgrade is required. Attempting now.
2016-05-03 23:09 ERROR    schema                        Failed to upgrade database for plugin simple_persistence: 'ascii' codec can't decode byte 0xe0 in position 1: ordinal not in range(128)
Traceback (most recent call last):
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\db_schema.py", line 150, in upgrade_wrapper
    new_ver = upgrade_func(current_ver, session)
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\utils\simple_persistence.py", line 60, in upgrade
    p = pickle.loads(row['value'])
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe0 in position 1: ordinal not in range(128)
Traceback (most recent call last):
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\db_schema.py", line 150, in upgrade_wrapper
    new_ver = upgrade_func(current_ver, session)
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\utils\simple_persistence.py", line 60, in upgrade
    p = pickle.loads(row['value'])
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe0 in position 1: ordinal not in range(128)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "c:\users\robert\appdata\local\programs\python\python35\lib\runpy.py", line 170, in _run_module_as_main
    "__main__", mod_spec)
  File "c:\users\robert\appdata\local\programs\python\python35\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "C:\Users\Robert\AppData\Local\Programs\Python\Python35\Scripts\flexget.exe\__main__.py", line 9, in <module>
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\__init__.py", line 42, in main
    manager.start()
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\manager.py", line 310, in start
    self._shutdown()
  File "c:\users\robert\appdata\local\programs\python\python35\lib\contextlib.py", line 77, in __exit__
    self.gen.throw(type, value, traceback)
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\manager.py", line 752, in acquire_lock
    yield
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\manager.py", line 308, in start
    self.initialize()
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\manager.py", line 205, in initialize
    fire_event('manager.upgrade', self)
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\event.py", line 106, in fire_event
    result = event(*args, **kwargs)
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\event.py", line 23, in __call__
    return self.func(*args, **kwargs)
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\db_schema.py", line 158, in upgrade_wrapper
    manager.shutdown(finish_queue=False)
  File "c:\users\robert\appdata\local\programs\python\python35\lib\site-packages\flexget\manager.py", line 857, in shutdown
    raise RuntimeError('Cannot shutdown manager that was never initialized.')
RuntimeError: Cannot shutdown manager that was never initialized.

C:\Users\Robert>