There were some hick-ups

I just ran Backup Migration Premium for the first time and received an error message:

[STEP] [2021-01-18 22:40:30] Initializing backup…
[INFO] [2021-01-18 22:40:30] Backup & Migration version: 1.0.7
[INFO] [2021-01-18 22:40:30] Site which will be backed up: https://marionblackonline.com
[INFO] [2021-01-18 22:40:30] PHP Version: 7.4.11
[INFO] [2021-01-18 22:40:30] Web server: Apache
[INFO] [2021-01-18 22:40:30] Max execution time (in seconds): 10800
[INFO] [2021-01-18 22:40:30] Checking if backup dir is writable…
[INFO] [2021-01-18 22:40:30] Initializing custom error handler
[SUCCESS] [2021-01-18 22:40:30] Yup it is writable…
[STEP] [2021-01-18 22:40:30] Scanning files…
[STEP] [2021-01-18 22:40:48] Checking free space, reserving…
[INFO] [2021-01-18 22:40:48] Requires at least 4419728931 bytes.
[INFO] [2021-01-18 22:40:48] Disk free space function is not disabled – using…
[SUCCESS] [2021-01-18 22:40:48] There is 1,311,211.56 MB free.
[SUCCESS] [2021-01-18 22:40:48] Great! We have enough space.
[SUCCESS] [2021-01-18 22:40:48] Confirmed, there is more than enough space, checked: 4419728931 bytes
[INFO] [2021-01-18 22:40:48] Scanning done – found 103237 files…
[SUCCESS] [2021-01-18 22:40:48] Backup initialized…
[STEP] [2021-01-18 22:40:48] Initializing archiving system…
[SUCCESS] [2021-01-18 22:40:48] Archive system initialized…
[STEP] [2021-01-18 22:40:48] Preparing map of files…
[SUCCESS] [2021-01-18 22:40:48] Files prepared.
[INFO] [2021-01-18 22:40:48] Starting compression process…
[STEP] [2021-01-18 22:40:48] Smart memory calculation…
[INFO] [2021-01-18 22:40:48] There is 256 MBs of memory to use
[SUCCESS] [2021-01-18 22:40:48] Setting the safe limit to 64 MB
[STEP] [2021-01-18 22:40:48] Making database backup
[INFO] [2021-01-18 22:40:48] Iterating database…
[SUCCESS] [2021-01-18 22:41:24] Database backup finished
[STEP] [2021-01-18 22:41:24] Making archive
[INFO] [2021-01-18 22:41:24] Compressing…
[INFO] [2021-01-18 22:41:24] Using PclZip to create Backup (forced)
[INFO] [2021-01-18 22:41:27] Milestone: 1000/103237
[INFO] [2021-01-18 22:41:29] Milestone: 2000/103237
[INFO] [2021-01-18 22:41:31] Milestone: 3000/103237
[INFO] [2021-01-18 22:41:33] Milestone: 4000/103237
[INFO] [2021-01-18 22:41:36] Milestone: 5000/103237
[INFO] [2021-01-18 22:41:38] Milestone: 6000/103237
[INFO] [2021-01-18 22:41:41] Milestone: 7000/103237
[INFO] [2021-01-18 22:41:44] Milestone: 8000/103237
[INFO] [2021-01-18 22:41:47] Milestone: 9000/103237
[INFO] [2021-01-18 22:41:50] Milestone: 10000/103237
[INFO] [2021-01-18 22:41:55] Milestone: 11000/103237
[INFO] [2021-01-18 22:41:59] Milestone: 12000/103237
[INFO] [2021-01-18 22:42:04] Milestone: 13000/103237
[INFO] [2021-01-18 22:42:08] Milestone: 14000/103237
[INFO] [2021-01-18 22:42:12] Milestone: 15000/103237
[INFO] [2021-01-18 22:42:20] Milestone: 16000/103237
[INFO] [2021-01-18 22:42:26] Milestone: 17000/103237
[INFO] [2021-01-18 22:42:30] Milestone: 18000/103237
[DOWNLOAD GENERATED] File downloaded on (server time): 2021-01-18 22:42:33
[DOWNLOAD GENERATED] Last update (seconds): 1 seconds ago
[DOWNLOAD GENERATED] Last update (date): 2021-01-18 22:42:32