Backup failed

Hi,
I have just installed the plugin and tried to make a backup of my site. However, it failed. Here are the error log:

[STEP] [2021-02-07 07:58:36] Initializing backup…
[INFO] [2021-02-07 07:58:36] Backup & Migration version: 1.0.9
[INFO] [2021-02-07 07:58:36] Site which will be backed up: https://kiwidemy.com
[INFO] [2021-02-07 07:58:36] PHP Version: 7.2.34
[INFO] [2021-02-07 07:58:36] Web server: LiteSpeed
[INFO] [2021-02-07 07:58:36] Max execution time (in seconds): 259200
[INFO] [2021-02-07 07:58:36] Checking if backup dir is writable…
[INFO] [2021-02-07 07:58:36] Initializing custom error handler
[SUCCESS] [2021-02-07 07:58:36] Yup it is writable…
[INFO] [2021-02-07 07:58:36] PHP CLI is available – plugin will try to run server script.
[STEP] [2021-02-07 07:58:36] Scanning files…
[STEP] [2021-02-07 07:58:36] Checking free space, reserving…
[INFO] [2021-02-07 07:58:36] Requires at least 91869038 bytes. [87.61 MB]
[INFO] [2021-02-07 07:58:36] Disk free space function is not disabled – using…
[INFO] [2021-02-07 07:58:36] Checking this path/partition: /home/u380449342/domains/kiwidemy.com/public_html/wp-content/backup-migration/backups
[SUCCESS] [2021-02-07 07:58:36] There is 4,264,062.69 MB free. [4.07 TB]
[SUCCESS] [2021-02-07 07:58:36] Great! We have enough space.
[SUCCESS] [2021-02-07 07:58:36] Confirmed, there is more than enough space, checked: 91869038 bytes
[INFO] [2021-02-07 07:58:36] Scanning done – found 3674 files…
[SUCCESS] [2021-02-07 07:58:36] Backup initialized…
[STEP] [2021-02-07 07:58:36] Initializing archiving system…
[SUCCESS] [2021-02-07 07:58:36] Archive system initialized…
[STEP] [2021-02-07 07:58:36] Preparing map of files…
[SUCCESS] [2021-02-07 07:58:36] Files prepared.
[INFO] [2021-02-07 07:58:36] Starting compression process…
[STEP] [2021-02-07 07:58:36] Smart memory calculation…
[INFO] [2021-02-07 07:58:37] There is 384 MBs of memory to use
[INFO] [2021-02-07 07:58:37] WordPress memory limit: 256 MBs
[SUCCESS] [2021-02-07 07:58:37] Setting the safe limit to 86 MB
[STEP] [2021-02-07 07:58:37] Making database backup
[INFO] [2021-02-07 07:58:37] Iterating database…
[INFO] [2021-02-07 07:58:37] Database size: 1.2 MB
[SUCCESS] [2021-02-07 07:58:37] Database backup finished
[STEP] [2021-02-07 07:58:37] Making archive
[INFO] [2021-02-07 07:58:37] Compressing…
[INFO] [2021-02-07 07:58:37] Using PclZip module to create the backup
[INFO] [2021-02-07 07:58:37] Legacy setting: Using default modules depending on user server
[STEP] [2021-02-07 07:58:37] Running PHP CLI process – it should be confirmed with next messages
[SUCCESS] [2021-02-07 07:58:37] PHP CLI initialized – process ran successfully
[STEP] [2021-02-07 07:58:37] Making batches for each process…
[INFO] [2021-02-07 07:58:37] Reading list file…
[INFO] [2021-02-07 07:58:37] Each batch will contain up to 800 files.
[INFO] [2021-02-07 07:58:37] Large files takes more time, you will be notified about those.
[SUCCESS] [2021-02-07 07:58:38] Batches completed…
[STEP] [2021-02-07 07:58:38] Making archive…
[INFO] [2021-02-07 07:58:38] Adding: 800 files… [Size: 2.89 MB]
[SUCCESS] [2021-02-07 07:58:47] Milestone: 800/3673 [5 batches left]
[INFO] [2021-02-07 07:58:47] Adding: 800 files… [Size: 1.13 MB]
[SUCCESS] [2021-02-07 07:59:01] Milestone: 1600/3672 [4 batches left]
[INFO] [2021-02-07 07:59:01] Adding: 800 files… [Size: 268.35 KB]
[SUCCESS] [2021-02-07 07:59:17] Milestone: 2400/3671 [3 batches left]
[INFO] [2021-02-07 07:59:17] Adding: 800 files… [Size: 11.41 MB]
[SUCCESS] [2021-02-07 07:59:33] Milestone: 3200/3670 [2 batches left]
[INFO] [2021-02-07 07:59:33] Adding: 474 files… [Size: 57.32 MB]
[DOWNLOAD GENERATED] File downloaded on (server time): 2021-02-07 08:00:25
[DOWNLOAD GENERATED] Last update (seconds): 52 seconds ago
[DOWNLOAD GENERATED] Last update (date): 2021-02-07 07:59:33

Any help will be highly appreciated. Thanks