FAQs

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Polygon
Arbitrum
Klaytn
[Betting Error] When trying to start a transaction, the following error message appears in the wallet
{code: -32602, message: 'Invalid transaction params: params specify an EIP-…but the current network does not support EIP-1559'}code: -32602message: "Invalid transaction params: params specify an EIP-1559 transaction but the current network does not support EIP-1559"[[Prototype]]
This happens when using an outdated RPC provider in a wallet on the Polygon network.
Solution
Go to https://chainlist.org/chain/137 and select your new RPC provider from the list. This will update your wallet's Polygon network RPC to facilitate transactions.
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platform - Previous
Bug bounty
Last modified 1mo ago