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 = "n23qj8a58r3b122l3gas4alpm1"' at line 1: SELECT * FROM reservas WHERE propiedad_fk = apartments-for-sale and session_id = "n23qj8a58r3b122l3gas4alpm1"