MySQL - Linux Ubuntu Environemnt - which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

please see one of the step will work

Step-1
In your mysql benchmark

SET GLOBAL sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));

Restart your mysql service.
> service mysql restart

OR

Step-2

In Linux Terminal > sudo vi /etc/mysql/mysql.conf.d/mysqld.cnf Go to last line and add > sql_mode = "" Restart mysql server.
> service mysql restart