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The operation can’t be completed because an unexpected error occurred (error code -1309).

I am trying to copy files from one USB drive to another. Everytime I run into this error for the second file and won't move forward.

MacBook Pro 13″, macOS 11.3

Posted on Jul 29, 2021 4:49 PM

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Question marked as Top-ranking reply

Posted on Aug 24, 2021 5:36 AM

Good work my friend, if you need to use it for Macs and Windows, then the drive needs to be erased/formatted to ExFAT.

5 replies

The operation can’t be completed because an unexpected error occurred (error code -1309).

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