Uniswap Universal Router
error V2TooLittleReceived()A transaction that reverts with the raw data 0x849eaf98 hit the custom error V2TooLittleReceived, defined in Uniswap Universal Router. The explorer shows the hex because it does not have the contract's ABI to translate it.
Slippage protection on a V2-style pool: the swap would have delivered less than your minimum, so it refused to fill.
Retry with a fresh quote, slightly higher slippage tolerance, or a calmer market. The protection saved you from a worse price.
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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.