@Fredi, i found one more file to change:
Warning: Use of undefined constant DIR_FS_CATALOG_IMAGES - assumed 'DIR_FS_CATALOG_IMAGES' (this will throw an Error in a future version of PHP) in .../admin/includes/languages/russian/categories.php on line 88 Warning: Use of undefined constant DIR_FS_CATALOG_IMAGES - assumed 'DIR_FS_CATALOG_IMAGES' (this will throw an Error in a future version of PHP) in .../admin/includes/languages/russian/categories.php on line 89
so. there was define:
define('ERROR_CATALOG_IMAGE_DIRECTORY_NOT_WRITEABLE', 'Ошибка: Каталог с картинками имеет неверные права доступа: ' . DIR_FS_CATALOG_IMAGES);
define('ERROR_CATALOG_IMAGE_DIRECTORY_DOES_NOT_EXIST', 'Ошибка: Каталог с картинками отсутствует: ' . DIR_FS_CATALOG_IMAGES);
i fixed it to:
const ERROR_CATALOG_IMAGE_DIRECTORY_NOT_WRITEABLE = '<strong>Ошибка:</strong> Каталог с картинками имеет неверные права доступа: %s';
and
const ERROR_CATALOG_IMAGE_DIRECTORY_DOES_NOT_EXIST = '<strong>Ошибка:</strong> Каталог с картинками отсутствует: %s';