BUILD issue solved. Anybody needs can follow the instruction from @macedo :

Hey,

This error likely means that your airdrop was allocated to your Farcaster custody address (an address created for you when you created your account, to register your FID).

For now, the only solution we have is for you to use your FC custody address to claim (check the instructions here: www.notion.so/BUILD-Airdro...

If you don’t want to use this workaround, please fill this form below, so we can help you after June 30th.

app.deform.cc/form/2d5c042...

We will need to create a new airdrop smart contract, with your new address whitelisted.

Thanks!