THEMA: connect a new twitter address

Hello, how do I know how to connect a new twitter address? I sent 5 ticks and nothing resolved ..... I can not connect the new twitter address .. here's the message: Could not connect to Twitter. Refresh the page or try again later. or this: This Twiiter-Page does't exist. Thank you.

https://www.fanslave.com/support-ticket
-> I want to connect a new twitter-account