Running version: 1.4.10.9#dev
Python version: 3.7.4
Operating system: Windows-10-10.0.18362-SP0
Command line: sqlmap.py
Technique: None
Back-end DBMS: None

Traceback (most recent call last):
  File "sqlmap.py", line 215, in main
    start()
  File "lib/core/decorators.py", line 78, in _
    result = f(*args, **kwargs)
  File "lib/controller/controller.py", line 301, in start
    for targetUrl, targetMethod, targetData, targetCookie, targetHeaders in kb.targets:
TypeError: cannot unpack non-iterable NoneType object