Time machine Error

WD External Drives External Drives for Mac
1

My passport ultra 1TB doesn´t work on time machine, I restore them in mac registered, but when I try to do a backup this message appeared: it´s an error when you try to copy your files…

2

Hello,

Are you able to test that with a different computer?

3

Yes I tested on an IMac and a Macbook pro, and happened the same thing… it´s so strange