Backup error on first try at backup

[STEP] [2020-11-18 00:50:08] Initializing backup…
[INFO] [2020-11-18 00:50:08] Checking if backup dir is writable…
[SUCCESS] [2020-11-18 00:50:08] Yup it is writable…
[STEP] [2020-11-18 00:50:08] Scanning files…
[STEP] [2020-11-18 00:50:08] Checking free space, reserving…
[SUCCESS] [2020-11-18 00:50:14] Confirmed, there is more than enough space, checked: 581707592 bytes
[INFO] [2020-11-18 00:50:14] Scanning done – found 19041 files…
[SUCCESS] [2020-11-18 00:50:14] Backup initialized…
[STEP] [2020-11-18 00:50:14] Initializing archiving system…
[SUCCESS] [2020-11-18 00:50:14] Archive system initialized…
[STEP] [2020-11-18 00:50:14] Preparing map of files…
[SUCCESS] [2020-11-18 00:50:14] Files prepared.
[INFO] [2020-11-18 00:50:14] Starting compression process…
[STEP] [2020-11-18 00:50:14] Making database backup
[INFO] [2020-11-18 00:50:14] Iterating database…
[SUCCESS] [2020-11-18 00:50:17] Database backup finished
[STEP] [2020-11-18 00:50:17] Making archive
[INFO] [2020-11-18 00:50:17] Compressing…
[INFO] [2020-11-18 00:50:17] Using Zlib to create Backup
[INFO] [2020-11-18 00:50:17] Milestone: 1/19041
[INFO] [2020-11-18 00:50:17] Milestone: 5000/19041
[INFO] [2020-11-18 00:50:17] Milestone: 10000/19041
[INFO] [2020-11-18 00:50:17] Milestone: 15000/19041
[INFO] [2020-11-18 00:50:17] Milestone: 19041/19041
[SUCCESS] [2020-11-18 00:50:17] Compressed 19041 files
[INFO] [2020-11-18 00:50:17] Archiving of 19041 files took: 3.3084409236908s
[STEP] [2020-11-18 00:50:17] Finalizing backup
[INFO] [2020-11-18 00:50:17] Adding manifest…
[STEP] [2020-11-18 00:50:17] Closing files and archives

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