Thank you for help again.
About 3-4 hours later a new clamscan cronjob will be run automaticly. maybe this error won't repeat who knows.
[root@server custombuild]# timedatectl status
Local time: Fri 2019-12-06 02:32:07 +03
Universal time: Thu 2019-12-05 23:32:07 UTC
[root@server custombuild]# ./build versions
Latest version of DirectAdmin: 1.59.5
Installed version of DirectAdmin: 1.59.5
Latest version of Let's Encrypt client: 1.1.37
Installed version of Let's Encrypt client: 1.1.37
Latest version of CustomBuild plugin: 1.0.31
Installed version of...