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 = "plqdmdrp8h2i1hg86h8fsg1i02"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = business-premises-for-sale and session_id = "plqdmdrp8h2i1hg86h8fsg1i02"