An Error Was Encountered

Error Number: 1055

Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'futuracursos_db.cursos_cat.cursos_cat_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_cat WHERE cursos_cat.CCMostrar = "Sim" GROUP BY CCSubCat ORDER BY CCOrdem