i have the same problem with mac os x 14.2.1 .
I've a 10TB WD external drive and using from terminal
sudo /sbin/fsck_apfs -Fy /dev/disk4s1
i had the error
error: Device does not contain a valid APFS container. Container superblock is invalid. ** The container /dev/disk4s1 could not be verified completely.
giuseppefrattura
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I have the same problem on a WD external drive.
My S.O. version is 14.2.1.
Fun fact, if you connect the drive to the iPhone 15 pro you have access to all files.