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 = "nn1b2ts97niu884sca6n5klbf5"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = town-houses-for-sale and session_id = "nn1b2ts97niu884sca6n5klbf5"