Log Successful, No Files in Dropbox

Newly updated WordPress and plugins inc. BackWPUp.
Log says backup successfully transferred to Dropbox.

HOWEVER that directory in Dropbox has zero new files.

I tested this twice.

Help!

Log:

[INFO] BackWPup 3.6.9; A project of Inpsyde GmbH
[INFO] WordPress 5.2.1 on https://papuanvoices.net/
[INFO] Log Level: Normal
[INFO] BackWPup job: Full Backup
[INFO] Logfile is: backwpup_log_d40726_2019-05-28_14-45-55.html
[INFO] Backup file is: backwpup_KNUBUXOS01_2019-05-28_14-45-55.zip
[28-May-2019 14:45:55] 1. Try to backup database …
[28-May-2019 14:45:56] Connected to database papuanvoices_net on papuan1.sql.ghserv.net
[28-May-2019 14:45:59] Added database dump “papuanvoices_net.sql” with 19.91 MB to backup file list
[28-May-2019 14:45:59] Database backup done!
[28-May-2019 14:45:59] 1. Trying to make a list of folders to back up …
[28-May-2019 14:46:05] Added “wp-config.php” to backup file list
[28-May-2019 14:46:05] 1127 folders to backup.
[28-May-2019 14:46:05] 1. Trying to create a WordPress export to XML file …
[28-May-2019 14:46:08] Check WP Export file …
[28-May-2019 14:46:08] WP Export file is a valid WXR file.
[28-May-2019 14:46:08] Added XML export “Papuan_Voices.wordpress.2019-05-28.xml” with 1.33 MB to backup file list.
[28-May-2019 14:46:08] 1. Trying to generate a file with installed plugin names …
[28-May-2019 14:46:08] Added plugin list file “Papuan-Voices.pluginlist.2019-05-28.txt” with 2.19 KB to backup file list.
[28-May-2019 14:46:08] 1. Trying to generate a manifest file …
[28-May-2019 14:46:08] Added manifest.json file with 3.07 KB to backup file list.
[28-May-2019 14:46:08] 1. Trying to create backup archive …
[28-May-2019 14:46:08] Compressing files as ZipArchive. Please be patient, this may take a moment.
[28-May-2019 14:50:49] Backup archive created.
[28-May-2019 14:50:49] Archive size is 541.30 MB.
[28-May-2019 14:50:49] 8319 Files with 639.93 MB in Archive.
[28-May-2019 14:50:49] 1. Try to send backup file to Dropbox …
[28-May-2019 14:50:50] Authenticated with Dropbox of user: A H
[28-May-2019 14:50:50] Uploading to Dropbox …
[28-May-2019 14:50:50] Beginning new file upload session
[28-May-2019 14:53:58] Finishing upload session with a total of 541 MB uploaded
[28-May-2019 14:53:59] Backup transferred to /Papuan-Voices/backwpup_KNUBUXOS01_2019-05-28_14-45-55.zip
[28-May-2019 14:54:00] 1. Trying to check database …
[28-May-2019 14:54:00] Database check done!
[28-May-2019 14:54:00] Job done in 485 seconds.

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