Done Forum contact details problem

I know it probally isn't the place I should post this thing in, but I have a problem with adding my FTB forum username to contact details. I have an account on FTB forum called Rohen Tahir, (Rohen Tahir | Feed the Beast ) but when I write my username and click ,,save changes" it says it cannot find the user. Is it any way to fix this?

 

Try: rohen-tahir
And moved to Support > Other

 

I tried it, and it didn't work.

 

It worked. Thanks.

 

Both worked, after trying first I also tested the other one.