Instagram deleted all correspondence

Instagram personally cleared the entire Direct, when you try to open a message from the source occurs infinite loading dialogue. With the browser version I get an error when you try to download Direct'and. Tried to clear cache, deleted all app data, bore yourself Instagram, tried it several times and on different devices. The result is always the same - the message is deleted.

Found one forum (
Спойлерhttps://instaforum.ru/threads/%D0%9F%D1%80%D0%BE%D0%B1%D0%BB%D0%B5%D0%BC%D0%B0-%D1%81-%D0%B4%D0%B8%D1%80%D0%B5%D0%BA%D1%82%D0%BE%D0%BC-%D0%BF%D1%80%D0%BE%D0%BF%D0%B0%D0%B4%D0%B0%D1%8E%D1%82-%D1%81%D0%BE%D0%BE%D0%B1%D1%89%D0%B5%D0%BD%D0%B8%D1%8F.7497/page-2)where people discuss the same problem, but solution, as I understand it, none found. Can you at least something to help. There was a few important to me correspondence and I would like to return them. Thanks in advance.