@tanyaremkiv somebody else already connected this IG account to Manychat.
If it wasn’t you or you don’t have access to the old account, get in touch with Manychat support so they can give you access to your account.
You can use the form at the bottom of this page:
https://help.manychat.com/hc/en-us/articles/14281086345244-How-to-get-support-from-Manychat
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