Error notice on upgrading Mariadb

[Richard G]

Hello.

We were upgrading Mariadb 10.2.26 to 10.2.27 on a VPS and then we've seen this:

Cleaning up / removing...
   8:MariaDB-server-10.2.26-1.el7.cent################################# [ 57%]
   9:MariaDB-client-10.2.26-1.el7.cent################################# [ 64%]
  10:MariaDB-backup-10.2.26-1.el7.cent################################# [ 71%]
  11:MariaDB-shared-10.2.26-1.el7.cent################################# [ 79%]
  12:MariaDB-devel-10.2.26-1.el7.cento################################# [ 86%]
  13:MariaDB-compat-10.2.26-1.el7.cent################################# [ 93%]
  14:MariaDB-common-10.2.26-1.el7.cent################################# [100%]
Failed to execute operation: Invalid argument
Removed symlink /etc/systemd/system/mariadb.service.
Removed symlink /etc/systemd/system/mysql.service.
Removed symlink /etc/systemd/system/multi-user.target.wants/mysqld.service.

It's about the:

Failed to execute operation: Invalid argument

What caused this and can this safely be ignored?

 

[smtalk]

Yes, it can be ignored safely