Sorry to have offended you so much, but I think that my concern is important and that it was not taken seriously by the team. I sent screenshots and since your message, the TimeMachine is failing and I don’t see how a video will help… IMHO
Thank you for helping the team and strength to you 
I think I have finally found by myself the solution that is actually a problem with ZimaOS, I explain, the name of my machine is currently MacBook Pro M1 from :SNyB: 
which poses NO problem for my TimeMachime on an external HDD, by renaming to MacBook Pro M1 by SNyB (so without the duplicates :: ) my backup on my local machine has started…
Bravo to me for having found it and thanks to the community for having challenged me on this subject, I love you all 
In addition, I also discovered that I also had to modify the rights to 777 (under shell) to successfully create a TimeMachine.
I did it in shell while waiting for ZimaOS to allow it to be done via the interface.
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