Probably it isn't l4l the responsible of the crashes, as they now happens even doing simple actions, like trying to go to BlackHole apps menu. Here there are the last lines before the error occurs:
< 6674.691> [ActionMap] OkCancelActions ok
< 6674.698> Traceback (most recent call last):
< 6674.698> File "/usr/lib/enigma2/python/Components/ActionMap.py", line 68, in action
< 6674.698> File "/usr/lib/enigma2/python/Components/ActionMap.py", line 48, in action
< 6674.699> File "/usr/lib/enigma2/python/Screens/Menu.py", line 56, in okbuttonClick
< 6674.699> File "/usr/lib/enigma2/python/Tools/BoundFunction.py", line 9, in __call__
< 6674.699> File "/usr/lib/enigma2/python/Screens/Menu.py", line 70, in runScreen
< 6674.699> File "/usr/lib/enigma2/python/Screens/Menu.py", line 76, in openDialog
< 6674.699> File "/usr/lib/enigma2/python/mytest.py", line 307, in openWithCallback
< 6674.700> dlg = self.open(screen, *arguments, **kwargs)
< 6674.700> File "/usr/lib/enigma2/python/mytest.py", line 317, in open
< 6674.701> dlg = self.current_dialog = self.instantiateDialog(screen, *arguments, **kwargs)
< 6674.701> File "/usr/lib/enigma2/python/mytest.py", line 254, in instantiateDialog
< 6674.701> return self.doInstantiateDialog(screen, arguments, kwargs, self.desktop)
< 6674.701> File "/usr/lib/enigma2/python/mytest.py", line 277, in doInstantiateDialog
< 6674.701> dlg = screen(self, *arguments, **kwargs)
< 6674.701> TypeError: __init__() takes exactly 2 arguments (3 given)
< 6674.701> [ePyObject] (CallObject(<bound method NumberActionMap.action of <Components.ActionMap.NumberActionMap instance at 0xa757fd00>>,('OkCancelActions', 'ok')) failed)