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    uint256 adminTokenBalance = balanceOf(owner(), tokenId);
    require(adminTokenBalance > 0, "Admin does not hold expired token");

    _transfer(owner(), msg.sender, tokenId, adminTokenBalance, "");
}

issue in require() Wrong argument count for function call: 2 arguments given but expected 1.(6160)

1 Answer 1

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It's hard to be sure without actual compiler output, but the "reason" parameter has not always existed in require(). Are you using a very old compiler version?

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