Keyshot 10 error message when import file

[Finema]

Hi,
I have an error message when i import a file in Keyshot 10.
here the keyshot log message :

(09:40:57) <QNSWindow: 0x7fd551c6f730; contentView=<QNSView: 0x7fd4f2aa7f20; QCocoaWindow(0x600001586f70, window=QWidgetWindow(0x600000715ce0, name="KAccordionWidgetWindow"))>> has active key-value observers (KVO)! These will stop working now that the window is recreated, and will result in exceptions when the observers are removed. Break in QCocoaWindow::recreateWindowIfNeeded to debug.
(09:40:57) <QNSWindow: 0x7fd4f29d5270; contentView=<QNSView: 0x7fd4f29d4e30; QCocoaWindow(0x6000015f2310, window=QWidgetWindow(0x6000007089c0, name="KAccordionWidgetWindow"))>> has active key-value observers (KVO)! These will stop working now that the window is recreated, and will result in exceptions when the observers are removed. Break in QCocoaWindow::recreateWindowIfNeeded to debug.
(09:40:57) QString::arg: Argument missing: Enregistrer en tant que paramètres d'importation pour l'importation % 1., .OBJ
(09:40:57) <QNSWindow: 0x7fd4f3abf750; contentView=<QNSView: 0x7fd4f3abf340; QCocoaWindow(0x6000015fc370, window=QWidgetWindow(0x600000702040, name="QCheckBoxClassWindow"))>> has active key-value observers (KVO)! These will stop working now that the window is recreated, and will result in exceptions when the observers are removed. Break in QCocoaWindow::recreateWindowIfNeeded to debug.

[Finema]

Nobody ?