@CryptoBuddy took me a couple tries to get it to work. When you link it you need to approve it on Twitter if i remember correctly. Just open the Twitter app when you click link

@Flock I didnt approve from Twitter. However i did try to link it by putting a "@" infront of my Twitter username, which was incorrect. So if it's not working it could be that or somilar mistake. Just write in username no other symbols.