Swimbot Error

Traceback (most recent call last):
  File "C:\Users\wmiller.GTI\AppData\Local\Programs\Python\Python37\lib\site-packages\discord\ext\commands\core.py", line 85, in wrapped
    ret = await coro(*args, **kwargs)
  File "c:\Users\wmiller.GTI\OneDrive - Goddard Technologies\Desktop\SwimBot\Swimbot\FWA_Evo.py", line 200, in calendar
    self.bot.bot_DB.update({'calendar_id': new_cal_id}, id_str.calendar_id)
  File "C:\Users\wmiller.GTI\AppData\Local\Programs\Python\Python37\lib\site-packages\tinydb\table.py", line 415, in update
    self._update_table(updater)
  File "C:\Users\wmiller.GTI\AppData\Local\Programs\Python\Python37\lib\site-packages\tinydb\table.py", line 736, in _update_table
    updater(table)
  File "C:\Users\wmiller.GTI\AppData\Local\Programs\Python\Python37\lib\site-packages\tinydb\table.py", line 407, in updater
    if _cond(table[doc_id]):
  File "C:\Users\wmiller.GTI\AppData\Local\Programs\Python\Python37\lib\site-packages\tinydb\queries.py", line 92, in __call__
    return self._test(value)
  File "C:\Users\wmiller.GTI\AppData\Local\Programs\Python\Python37\lib\site-packages\tinydb\queries.py", line 175, in notest
    raise RuntimeError('Empty query was evaluated')
RuntimeError: Empty query was evaluated