We've found existing Manychat profile - loops and does not allow me to connect accounts

Hello please help

I have an account with my Google account which has my Facebook connected. 

I then try to add a new Facebook page and it says I already have an account, which it then logs me in. 

I cannot get into the manychat page to edit and remove the page. 

So manychat keeps sending me in a loop. 

Please see my loom below.

HELPPPPPPP