Linked problem

Dear customers support

I am very grateful with your work of this great game I appreciate your hard work, I am facing problem I tried to link my Apple ID of Clash of clans, but it shows me a message ( the currently village has already been linked. ) but I never linked it before so can any one please help me with it, my account is below:

Apple ID Game Center: binhamed.84@gmail.com

I will be waiting for your reply.

regards
Sultan

Think about any other Apple Id's. You will have linked it before but have just forgotten.