Unable to complete backup. An error occurred while creating the backup folder.
Time Machine backup fails : Time Machine couldn't complete the backup to <<drive name>>
MacBook Pro (2020 and later)
Time Machine backup fails : Time Machine couldn't complete the backup to <<drive name>>
MacBook Pro (2020 and later)
Erase the drive and format it APFS (Case Sensitive) then try again.
Unable to complete backup. An error occurred while creating the backup folder.