Ошибка выполнения запроса к БД:
SELECT * FROM ura_fotos WHERE art = (SELECT okp FROM ura_zapchasti_items WHERE id = '661'

Содержание ошибки:
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 '' at line 1

Код ошибки: 1064