This is not the topic to ask about the airdrop, so don't keep asking questions like that here. But before that, there are a few posts about airdrop instruction if you need it, just scroll up to find it. Or if you want more support, ask in their official telegram group, they will reply to you.

Have you tried it again? It sounds like it's a problem with your internet, it makes somethings go wrong and if you reload, I'm believe it's still there. At least it is not a serious error and can be overcome