Error: 500 Internal Server Error

Sorry, the requested URL 'http://www.insports.tech/web/liability_insurance/details?category_name=%E5%AE%9A%E5%90%91%E8%BF%90%E5%8A%A8&banner=directional_movement.png&insurance=114' caused an error:

Internal Server Error

Exception:

KeyError('insure_type',)

Traceback:

Traceback (most recent call last):
  File "eagle/pkg/bottle.py", line 862, in _handle
    return route.call(**args)
  File "eagle/pkg/bottle.py", line 1740, in wrapper
    rv = callback(*a, **ka)
  File "eagle/lib/utility.py", line 449, in wrap
    raise e
  File "eagle/lib/utility.py", line 438, in wrap
    r = cb(*args, **vars)
  File "eagle/lib/control.py", line 751, in _log
    raise e
  File "eagle/lib/control.py", line 744, in _log
    res = fn(*args, **kwargs)
  File "./ctrl/extend.py", line 238, in insurance_details
    data["insure_type"] = pars["insure_type"]
KeyError: 'insure_type'