Unhandled exception (#98b8eb20)

[sqlmapreporter]

Running version: 1.8.5.4#dev
Python version: 3.7.1
Operating system: Windows-10-10.0.22621-SP0
Command line: sqlmap.py -r ************************************************************************************ --proxy ********************* --batch --tamper=space2and
Technique: None
Back-end DBMS: None

Traceback (most recent call last):
  File "sqlmap.py", line 177, in main
    init()
  File "lib/core/option.py", line 2906, in init
    _setTamperingFunctions()
  File "lib/core/option.py", line 822, in _setTamperingFunctions
    if check_priority and priority > last_priority:
TypeError: '>' not supported between instances of 'NoneType' and 'int'