You need to connect your ethereum wallet before you can mint a token.

Connect wallet

Please enter Genesis Pork1984 token IDs divided by whitespace or comma

You will get tokens for FREE + gas.
Each Genesis Pork1984 token can be used only once to mint a Chapter II token.
You can find token ID of your Genesis Pork1984 token on OpenSea page (for example this token has ID 140)
Collection on OpenSea
Please note that gas is spent for transaction even if transaction fails.

Verified Smart Contract Address (Chapter I): 0X14A2DFF3B2FB4DFFA35B2006E84BF1CBB0AC4BBA
Verified Smart Contract Address (Chapter II): 0X66B1DD8B17849E270075229B901BA9EF5DC3A8DC