Problem with importing Foldingcoin to wallet.counterwallet.io

Hello!

I am trying to import my Foldingcoins to wallet.counterwallet.io. I created new address, then Improt Funds → From Another Address. When I paste private key I see what is on it (0.0008 BTC and my Foldingcoins). I then click Sweep and all I see is this with no progress:

Please tell me what to do. Any help appreciated.

After few minutes I have got this:

Same result in Chrome and Opera.

My private key starts with 5

Anyone can help?

Continued here with manual sweep instructions: