Running version: 1.4.7.24#dev
Python version: 3.8.5
Operating system: Windows-10-10.0.17763-SP0
Command line: sqlmap.py -u **************************************************************************************** --random-agent --answer=******* --identify-waf --random-agent --tamper=between,randomcase,space2comment --technique=EQUS --ignore-redirects --dbs -o --batch --exclude-sysdbs --search -T ***********
Technique: STACKED
Back-end DBMS: Microsoft SQL Server (fingerprinted)

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 704, in start
    action()
  File "lib/controller/action.py", line 179, in action
    conf.dbmsHandler.search()
  File "plugins/generic/search.py", line 626, in search
    self.searchTable()
  File "plugins/dbms/mssqlserver/enumeration.py", line 275, in searchTable
    conf.dumper.dbTables(foundTbls)
  File "lib/core/dump.py", line 244, in dbTables
    tables.sort()
TypeError: '<' not supported between instances of 'NoneType' and 'NoneType'