THEMA: twitter account

i can't connect with my twitter account. How can get the app again?
This message is show when I try to update:
Ihr Twitter-Account kann nicht verknüpft werden, der Account wird in unserem System bereits verwendet.

We can't save your Twitter-Account. It is allready in use.

You must have two accounts. Your twitter account is connected to another fanslave account. Please use your first fanslave account or write a mail to the support.

Technical Support schrieb: You must have two accounts. Your twitter account is connected to another fanslave account. Please use your first fanslave account or write a mail to the support.

I deleted the first account and set up a new account