SD 3.7 Stops Mid Copy

[SeaSwift]

I'm using SD 3.7 to copy files from one HDD to another on my Mac Mini running OS X 10.15.7. I tried copying a few times and all just stopped copying. I even tried re-installing SD 3.7.

Below is the last log after quitting SD 3.7.

| 01:56:57 AM | Info | SuperDuper! Version 3.7 (126-0b1cb57), path: /Applications/SuperDuper!.app, load address: 0x105b6c000
| 01:56:57 AM | Info | Started on Mon, Nov 7, 2022 at 1:56 AM
| 01:56:57 AM | Info | Source Volume: "2018 Photos 1" mount: '/Volumes/2018 Photos 1' device: disk7s2 file system: 'Mac OS Extended (Journaled)' protocol: USB capacity: 4 TB available: 1.33 TB files: 190,927 directories: 67,817
| 01:56:57 AM | Info | Target Volume: "2018 Photos 2 (Backup)" mount: '/Volumes/2018 Photos 2 (Backup)' device: disk3s2 file system: 'Mac OS Extended (Journaled)' protocol: USB capacity: 4 TB available: 1.34 TB files: 190,321 directories: 67,692
| 01:56:57 AM | Info | Copy Mode : Smart Update
| 01:56:57 AM | Info | Copy Script : Backup - all files.dset
| 01:56:57 AM | Info | Transcript : BuildTranscript.plist
| 01:56:58 AM | Info | PHASE: 1. Prepare to Copy Files
| 01:56:59 AM | Info | ...ACTION: Preparing 2018 Photos 1
| 01:56:59 AM | Info | ......COMMAND => Enabling permissions on 2018 Photos 1
| 01:57:00 AM | Info | Permissions are enabled on /Volumes/2018 Photos 1
| 01:57:01 AM | Info | ...ACTION: Preparing 2018 Photos 2 (Backup)
| 01:57:01 AM | Info | ......COMMAND => Checking APFS Preboot partition for 2018 Photos 2 (Backup)
| 01:57:02 AM | Info | ......COMMAND => Checking APFS Recovery partition for 2018 Photos 2 (Backup)
| 01:57:03 AM | Info | ......COMMAND => Checking APFS Virtual Memory partition for 2018 Photos 2 (Backup)
| 01:57:03 AM | Info | ......COMMAND => Checking APFS Volume Group for 2018 Photos 2 (Backup)
| 01:57:04 AM | Info | ......COMMAND => Enabling permissions on 2018 Photos 2 (Backup)
| 01:57:04 AM | Info | /dev/disk6s5 on / (apfs, local, read-only, journaled)
| 01:57:04 AM | Info | devfs on /dev (devfs, local, nobrowse)
| 01:57:04 AM | Info | /dev/disk6s1 on /System/Volumes/Data (apfs, local, journaled, nobrowse)
| 01:57:04 AM | Info | /dev/disk6s4 on /private/var/vm (apfs, local, journaled, nobrowse)
| 01:57:04 AM | Info | /dev/disk2s1 on /Volumes/Crucial 1TB (apfs, local, journaled)
| 01:57:04 AM | Info | /dev/disk0s2 on /Volumes/Macintosh HD (hfs, local, journaled)
| 01:57:04 AM | Info | map auto_home on /System/Volumes/Data/home (autofs, automounted, nobrowse)
| 01:57:04 AM | Info | /dev/disk6s3 on /Volumes/Recovery (apfs, local, nodev, nosuid, journaled, noowners, nobrowse)
| 01:57:04 AM | Info | /dev/disk3s2 on /Volumes/2018 Photos 2 (Backup) (hfs, local, nodev, nosuid, journaled)
| 01:57:04 AM | Info | /dev/disk5s2 on /Volumes/My Book 1 (hfs, local, nodev, nosuid, journaled)
| 01:57:04 AM | Info | /dev/disk7s2 on /Volumes/2018 Photos 1 (hfs, local, nodev, nosuid, journaled)
| 01:57:04 AM | Info | /dev/disk8s2 on /Volumes/2 TB Backup (hfs, local, nodev, nosuid, journaled, noowners)
| 01:57:04 AM | Info | /dev/disk9s1 on /Volumes/SuperDuper! (hfs, local, nodev, nosuid, read-only, noowners, quarantine, mounted by bud)
| 01:57:05 AM | Info | Permissions are enabled on /Volumes/2018 Photos 2 (Backup)
| 01:57:06 AM | Info | ......COMMAND => Verifying that 2018 Photos 2 (Backup) ACL support matches 2018 Photos 1
| 01:57:06 AM | Info | ......COMMAND => Pausing Spotlight indexing for 2018 Photos 2 (Backup)
| 01:57:07 AM | Info | PHASE: 2. Copy Files
| 01:57:07 AM | Info | ...ACTION: Copying files from 2018 Photos 1 to 2018 Photos 2 (Backup) using Smart Update
| 01:57:08 AM | Info | ......COMMAND => Cloning 2018 Photos 1 to 2018 Photos 2 (Backup)
| 01:57:08 AM | Info | Copying different files with delete using script: /Users/bud/Library/Application Support/SuperDuper!/Copy Scripts/Standard Scripts/Backup - all files.dset
| 01:57:08 AM | Info | Will ignore error codes 1,13 encountered while copying files and directories
| 01:57:08 AM | Info | Loading 39 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude system temporary files.dset
| 01:57:08 AM | Info | Loading 10 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude system cache files.dset
| 01:57:08 AM | Info | Loading 1 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude Norton FileSaver files.dset
| 01:57:08 AM | Info | Loading 2 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude Google Desktop Index files.dset
| 01:57:08 AM | Info | Loading 1 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude Backblaze files.dset
| 01:57:08 AM | Info | Loading 1 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude iTunes Temporary files.dset
| 01:57:08 AM | Info | Loading 2 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude Mozy Cache and Log files.dset
| 01:57:08 AM | Info | Loading 1 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude PGP Whole Disk Encryption files.dset
| 01:57:08 AM | Info | Loading 2 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude Local Revision and Backup files.dset
| 01:57:08 AM | Info | Loading 1 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude Transporter Library mount.dset
| 01:57:08 AM | Info | Loading 1 commands from copy script /Applications/SuperDuper!.app/Contents/Resources/Copy Scripts/Exclude Crash Plan Cache.dset
| 01:57:08 AM | Info | Loading 0 commands from copy script /Users/bud/Library/Application Support/SuperDuper!/Copy Scripts/Standard Scripts/Backup - all files.dset
| 01:57:08 AM | Info | /.Spotlight-V100
| 01:57:08 AM | Info | Preserving /.Spotlight-V100
| 01:57:08 AM | Info | Preserving /.com.apple.timemachine.donotpresent
| 01:57:08 AM | Info | /Japan
| 01:57:15 AM | Info | /.TemporaryItems
| 01:57:15 AM | Info | /Graduation
| 01:57:15 AM | Info | /.Trashes
| 01:57:15 AM | Info | /.DocumentRevisions-V100
| 01:57:15 AM | Info | Ignoring /.DocumentRevisions-V100
| 01:57:15 AM | Info | /2018+ Photos
| 01:57:26 AM | Info | Disk disk9s1 mount changed!
| 01:57:26 AM | Info | Disk disk9s1 vanished!
| 02:01:05 AM | Info | User terminated processing of transcript...