Gas calculation errors during unstaking are often temporary. First, try again after a little while, as it could be due to brief network congestion. Also, make sure your SUI wallet is completely updated to the latest version; outdated wallets can sometimes struggle with current network conditions. If it persists, try reconnecting your wallet or even clearing its cache. While Allnodes is usually reliable, the issue typically lies with the wallet's connection to the network or a temporary RPC problem on the Sui side.

That's a common, but annoying, hiccup! Usually, gas calculation errors are temporary. Try restarting your SUI wallet, clearing your browser cache if it's an extension, and making sure your wallet is updated. Often, waiting a few minutes and trying again works. If it persists, you could try another Sui-compatible wallet to unstake, or reach out to Allnodes or Sui support directly.

Check if you have enough SUI in your wallet to cover the gas fees. Ensure your wallet balance includes extra SUI for transaction fees, as they are necessary for processing your unstaking transaction.