Connect a FB page to my IG business/creator account through the Instagram app

Open your Instagram app on your phone 📱
Access your profile by clicking on your picture to the right at the bottom of the screen
Click on “Edit profile”
Look under "Profile Information" → "Page" → Click "Connect or Create”
Click “Continue” → “Allow All Cookies” → “Create a new Facebook Page”
Give your Facebook page a name and category that fits your profile
Click on your newly created Facebook page, in this example "Julius IG connected FB page”
If you close your IG app completely and go to "edit profile" → "page" You should see that your page is connected
Congratulations, you have now connected a FB page to your IG 🙌. Now you can log in to Sheer and connect your IG to Sheer.
🔴🔴🔴🔴 Oh, it still doesn't work? Try "Connect a FB page To my IG through FB web application"