Instagram issue: sometimes went wrong/ This page is currently unavailable

Does anyone know how to fix an issue for an instagram : something went wrong. I just see my profile picture and nothing else, no insta app settings are accessible. I have two factor authentication oN, receives otp to login, but issue persists. But content on it is not visible, tried on multiple browsers , mobile, still the issue is same.

I had memories of a friend who died, so the account is important for me. Can anyone know how to fix this issue?