Common DeFi convention
error ZeroAmount()A transaction that reverts with the raw data 0x1f2a2005 hit the custom error ZeroAmount, defined in Common DeFi convention. The explorer shows the hex because it does not have the contract's ABI to translate it.
An amount of zero reached a function that requires a nonzero amount, often a stale interface sending an empty value.
Refresh the dapp, enter the amount again, and retry.
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Every selector on this page was computed as the first 4 bytes of keccak256 of the signature shown. A selector identifies a signature exactly; on rare occasions two different signatures share one, so the transaction decoder is always the more precise answer.