Kaltura CE 12 install on Centos7 failes at DB configuration

Hello Jess
Trying to install the latest kaltura CE 12 on a Centos fails at DB. I tried to follow all the instruction, but stuck at initiation DB with:
onfiguring your Kaltura DB…

Checking MySQL version…
Ver 5.5.50-MariaDB found compatible

CREATE USER kaltura;
CREATE USER etl;
CREATE DATABASE kaltura;
CREATE DATABASE kaltura_sphinx_log;
CREATE DATABASE kalturadw;
CREATE DATABASE kalturadw_ds;
CREATE DATABASE kalturadw_bisources;
CREATE DATABASE kalturalog;
Checking connectivity to needed daemons…
Connectivity test passed:)
Cleaning cache…
Populating DB with data… please wait…
Output for /opt/kaltura/app/deployment/base/scripts/installPlugins.php being logged into /opt/kaltura/log/installPlugins.log
Output for /opt/kaltura/app/deployment/base/scripts/insertDefaults.php being logged into /opt/kaltura/log/insertDefaults.log

kaltura-db-config.sh FAILED with: 255 on line 180

Archving logs to /opt/kaltura/log/log_05_09_16_00_14.tar.gz…

ERROR: we failed on something else…

Hello again
Trying to dig more, came across posts regarding the strict mode in Mysql…is it related? cause I did not see such config in my my.cnf file…
Wait for your reply.Thanks

Hello,

Start by looking at /opt/kaltura/log/insertDefaults.log to see why the execution of /opt/kaltura/app/deployment/base/scripts/insertDefaults.php failed. Then we can take it from there.