#1275 w3af crashes after starting scan on kali x64

[Anonymous]

Traceback (most recent call last):
File "/usr/share/w3af/core/ui/gtkUi/main.py", line 590, in startScanWrap
self.w3af.start()
File "/usr/share/w3af/core/controllers/w3afCore.py", line 417, in start
self._realStart()
File "/usr/share/w3af/core/controllers/w3afCore.py", line 602, in _realStart
self._end( e )
File "/usr/share/w3af/core/controllers/w3afCore.py", line 676, in _end
tm.join( joinAll=True )
File "/usr/share/w3af/core/controllers/threads/threadManager.py", line 119, in join
self._threadPool.wait( ownerObj, joinAll )
File "/usr/share/w3af/core/controllers/threads/threadpool.py", line 260, in wait
self.poll(block=True, ownerObj=ownerObj, joinAll=joinAll)
File "/usr/share/w3af/core/controllers/threads/threadpool.py", line 245, in poll
raise result
w3afException: w3afMustStopException found by _send_404, someone else will handle it.