Updraft Backup Always Fails on plugin version 1.16.62

Since updating the Updraft plugin to Version:1.16.62 on 5 October 2021 backup fails EVERY TIME with these messages:
2758.660 (9) Beginning creation of dump of uploads (split every: 500 MB)
2758.661 (9) File exists (/usr/home/katestjbirdblog/public_html/birdsoutsidemywindow.org/wp-content/updraft_birdblog/backup_2021-10-07-0513_Outside_My_Window_092d403e20fe-uploads3.zip.tmp), but was apparently not modified within the last 30 seconds, so we assume that any previous run has now terminated (time_mod=1633598549, time_now=1633600751, diff=2202)
… and then …
3061.387 (10) Backup run: resumption=10, nonce=092d403e20fe, file_nonce=092d403e20fe begun at=1633597992 (3062s ago), job type=backup
3061.388 (10) [Updraftplus] The backup is being aborted for a repeated failure to progress.
Here are two of the many failed attempts: 2021-10-05 and 2021-10-08:
https://www.dropbox.com/s/3y9twmren61wjgq/log.434a4c81f83d_20211005_failed.txt?dl=0
https://www.dropbox.com/s/lt6b940k0hvaznb/log.1b09e4201ffe_20211008_failed.txt?dl=0
For comparison, here’s the last successful backup on 4 Oct:
https://www.dropbox.com/s/4lo8pkam920x5kk/log.ceb7c26d532d_20211004_successful.txt?dl=0