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 = "pqi08630qus2l2i55964h0vds5"' at line 1: SELECT * FROM reservas   WHERE propiedad_fk = apartments-for-sale and session_id = "pqi08630qus2l2i55964h0vds5"