#1140 - In aggregated query without GROUP BY, expression #2 of SELECT list contains nonaggregated column 'my-cpe-test.register_webinars.webinar_id'; this is incompatible with sql_mode=only_full_group_by code example

Example: which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

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