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 = "37c7cc2a80dcfd3821b9ae4fa8a73bc5"' at line 1: SELECT * FROM reservas WHERE propiedad_fk = apartments-for-sale and session_id = "37c7cc2a80dcfd3821b9ae4fa8a73bc5"