You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'for-sale and session_id = "g3ur36avhr2asbki1md34u7742"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = apartments-for-sale and session_id = "g3ur36avhr2asbki1md34u7742"