I am not a Mac user but are you sure you have all the correct permissions set for your destination drive.
I often read post here that say to "repair permissions" and this often fixes the issue.
Or do you have any unusual text characters in your file name or file path?
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
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