Reply To: Missing "aggregateRating"

Yandex micro-markup validator:

article: modified_time
@value = 2021-06-29T13: 21: 52 + 00: 00
microdata
ERROR: Unable to determine the ownership of these fields. There are two possible reasons: these fields are incorrectly placed, or an unnecessary itemprop attribute is specified
rdfa
ERROR: the article prefix is unknown to the validator, specify it explicitly with the prefix attribute
https://schema.org/Organization
—
…
—
https://schema.org/query-input
WARNING: the field https://schema.org/query-input is not defined in the spec http://schema.org/SearchAction
@value = required name = search_term_string

can you fix it?