Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column ‘johnny.category.categoryId’ which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

Let run the following command in mysql…
it worked for me on mysql  Ver 14.14 Distrib 5.7.12, for Linux (x86_64) 

set global sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';