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 = "9jp1r07qjjl3fqk9iqhdefjlh4"' at line 1: SELECT * FROM reservas WHERE propiedad_fk = apartments-for-sale and session_id = "9jp1r07qjjl3fqk9iqhdefjlh4"