какие-нибудь ошибки

any mistakes

→ какой
phrase Rare #49,831
any mistakes Used when asking whether there were any mistakes at all. Common in questions and sometimes in negative contexts. The phrase is flexible: "какие-нибудь" means "any/some" in an indefinite sense.
RU: Вы совершили какие-нибудь ошибки?
EN: Did you make any mistakes?