Cannot paste the file into My Passport Ultra

When I try to copy and paste the files into My Passport Ultra, it takes so much time to calculate the time. After it, it will pop error to paste the files into drive.
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Hi @ooieren92,

I suggest to format drive once by using the below link:
https://support-en.wd.com/app/answers/detail/a_id/8200

Warning:- Formatting will erase all data on the device. Back up all your data before proceeding.

If issue still persist please contact to WD support team:
https://support-en.wd.com/app/utils/login_form