Instagram restricts accepting follow request duo to private to public

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Hello,

I am getting this error when trying to approve new follow request:
"We've added limitations to accounts that often switch between being private and being public to protect our community from inauthentic engagement.
You've reached the limit of follow requests you can accept for now because your account is private.
By making your account public, anyone can follow you but you'll lose your pending follow requests."

Anyone know for how long will this restriction last?