Error Number: 1055
Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'cursos_data.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
SELECT * FROM `cursos_data` WHERE `nivel` = 'curso-de-extensao' AND `ID_INST` = 1 GROUP BY `area` ORDER BY `titulo` ASC
Filename: models/Cursos_model.php
Line Number: 126