Problemas listarConciertosexception 'PDOException' with message 'SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'juanpe_web.tb_conciertos.id_concierto' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by' in /home/juanperezflorist/public_html/admin/includes/clases/funciones.php:1296 Stack trace: #0 /home/juanperezflorist/public_html/admin/includes/clases/funciones.php(1296): PDO->query('SELECT * FROM ...') #1 /home/juanperezflorist/public_html/index.php(10): funciones->listarConciertosPastMapa() #2 {main}