Helo On this site is everything ok https://site384785.nicepage.io/?version=1db81d10-0e34-4345-8eb1-03be43ea3d6f But after changing title on page "Home", I receive this "Sorry! ..." on my...

Hello Support, I set all SEO settings correctly, Google can't find our site. Why On key words I want to have "2I & B" but after entering this I get "2I&B". Can You explain this? From site...