Dear grass-users,
After a full installation of “grass gis” and the download of the addon “r.massmov” through the user interface,
I do not manage to launch r.massmov. When I execute r.massmov, I become the error message :
"Traceback (most recent call last):
File “C:\Program Files\GRASS GIS
7.2.1\gui\wxpython\gui_core\menu.py”, line 174, in
self._btnRun.Bind(wx.EVT_BUTTON, lambda evt: self.Run())
File “C:\Program Files\GRASS GIS
7.2.1\gui\wxpython\gui_core\menu.py”, line 235, in Run
eval(handler)(event=None, cmd=data[‘command’].split())
File “C:\Program Files\GRASS GIS
7.2.1\gui\wxpython\lmgr\frame.py”, line 892, in OnMenuCmd
GUI(parent=self, giface=self._giface).ParseCommand(cmd)
File “C:\Program Files\GRASS GIS
7.2.1\gui\wxpython\gui_core\forms.py”, line 2799, in
ParseCommand
raise gcmd.GException(e.value)
core.gcmd
.
GException
:
Impossible de récupérer la description de l’interface pour
la commande ‘r.massmov’.
Détails: C:\Program Files\GRASS GIS
7.2.1\extrabin\python.exe: can’t open file ‘r.massmov’:
[Errno 2] No such file or directory
Traceback (most recent call last):
File “C:\Program Files\GRASS GIS
7.2.1\gui\wxpython\gui_core\treeview.py”, line 57, in
self._emitSignal(evt.GetItem(), self.itemActivated))
File “C:\Program Files\GRASS GIS
7.2.1\gui\wxpython\gui_core\treeview.py”, line 162, in
_emitSignal
signal.emit(node=node, **kwargs)
File “C:\Program Files\GRASS GIS
7.2.1\etc\python\grass\pydispatch\signal.py”, line 229, in
emit
dispatcher.send(signal=self, *args, **kwargs)
File “C:\Program Files\GRASS GIS
7.2.1\etc\python\grass\pydispatch\dispatcher.py”, line 349,
in send
**named
File “C:\Program Files\GRASS GIS
7.2.1\etc\python\grass\pydispatch\robustapply.py”, line 60,
in robustApply
return receiver(*arguments, **named)
File “C:\Program Files\GRASS GIS
7.2.1\gui\wxpython\gui_core\menu.py”, line 178, in
self._tree.itemActivated.connect(lambda node:
self.Run(node))
File “C:\Program Files\GRASS GIS
7.2.1\gui\wxpython\gui_core\menu.py”, line 235, in Run
eval(handler)(event=None, cmd=data[‘command’].split())
File “C:\Program Files\GRASS GIS
7.2.1\gui\wxpython\lmgr\frame.py”, line 892, in OnMenuCmd
GUI(parent=self, giface=self._giface).ParseCommand(cmd)
File “C:\Program Files\GRASS GIS
7.2.1\gui\wxpython\gui_core\forms.py”, line 2799, in
ParseCommand
raise gcmd.GException(e.value)
core.gcmd
.
GException
:
Impossible de récupérer la description de l’interface pour
la commande ‘r.massmov’.
Détails: C:\Program Files\GRASS GIS
7.2.1\extrabin\python.exe: can’t open file ‘r.massmov’:
[Errno 2] No such file or directory"
Do you know what is the problem ? Thank for you help ! 
Sincerely yours,
Louis DEMANGE