Not all folder metadata could be applied. Metadata was inconsistent. Should I be worried about it?

Add new linux client, start first full file backup.

At the status page: Completed with issues
At the end of log: Backup succeeded

At the log Warning: Not all folder metadata could be applied. Metadata was inconsistent.

Should I be worried about it?
What does it mean?

Server: Debian 10, UrBackup server 2.4.13;
Client: Debian 10, UrBackup client 2.4.10;

Full log:

Level Time Message
Info 22.07.2020 7:00 Starting scheduled full file backup…
Info 22.07.2020 7:07 Starting prefilebackup script
Info 22.07.2020 7:07 run: /usr/local/mgr5/sbin/mgrctl -l
Info 22.07.2020 7:07 run: systemctl stop apache2.service ihttpd.service mariadb.service nginx.service php-fpm54.service php-fpm56.service proftpd.service
Info 22.07.2020 7:07 prefilebackup succeeded
Info 22.07.2020 7:07 Using default stripesize 64.00 KiB.
Info 22.07.2020 7:07 Logical volume “urbackup_snap_c300bd8986ce652bd34b9d2f1a218d0647c23390fa63f492” created.
Info 22.07.2020 7:07 Indexing of “rootfs” done. 225172 filesystem lookups 0 db lookups and 0 db updates
Info 22.07.2020 7:07 Backing up “boot” without snapshot.
Info 22.07.2020 7:07 Indexing of “boot” done. 6 filesystem lookups 0 db lookups and 0 db updates
Info 22.07.2020 7:07 Starting postfileindex script (normally starts after indexing and snapshot creation)
Info 22.07.2020 7:07 run: systemctl start apache2.service ihttpd.service mariadb.service nginx.service php-fpm54.service php-fpm56.service proftpd.service
Info 22.07.2020 7:07 run: /usr/local/mgr5/sbin/mgrctl -u
Info 22.07.2020 7:07 postfileindex succeeded
Info 22.07.2020 7:07 ilogy-isp1: Loading file list…
Info 22.07.2020 7:07 ilogy-isp1: Started loading files…
Info 22.07.2020 8:14 Referencing snapshot on “ilogy-isp1” for path “boot” failed: FAILED
Info 22.07.2020 8:14 Waiting for file transfers…
Info 22.07.2020 8:14 mariadbdump.sql: Starting backup of MariaDB at Wed Jul 22 08:14:43 MSK 2020…
Info 22.07.2020 8:15 mariadbdump.sql: Backup of MariaDB finished at Wed Jul 22 08:15:09 MSK 2020.
Info 22.07.2020 8:15 Waiting for file hashing and copying threads…
Warnings 22.07.2020 8:16 Not all folder metadata could be applied. Metadata was inconsistent.
Info 22.07.2020 8:16 Writing new file list…
Info 22.07.2020 8:16 All metadata was present
Info 22.07.2020 8:16 Transferred 20.8712 GB - Average speed: 44.1884 MBit/s
Info 22.07.2020 8:16 (Before compression: 30.8975 GB ratio: 1.48039)
Info 22.07.2020 8:16 11.0124 GB of files were already present on the server and did not need to be transferred
Info 22.07.2020 8:16 Time taken for backing up client ilogy-isp1: 1h 15m 34s
Info 22.07.2020 8:16 Backup succeeded

Just means it failed to apply the last modified time to some files. This last modified time isn’t used anywhere. It just means if you manually browse to those files the last modified times will be wrong.

Thank you!