To fix gas fees on MetaMask, you can follow these steps: 1- Increase the gas limit: Adjust the gas limit in MetaMask to ensure it is sufficient for your transaction. Higher gas limits allow for more complex transactions. 2- Adjust the gas price: Set an appropriate gas price in MetaMask to determine how much you're willing to pay for the transaction to be processed quickly. 3- Use gas estimation tools: Utilize reliable gas estimation tools to get an accurate estimate of the gas fees required for your transaction. This helps in avoiding errors and delays. 4- Monitor gas prices and network congestion: Keep an eye on gas prices and network congestion to choose the right time for your transactions. Gas prices can fluctuate based on network demand. 5- Keep MetaMask updated: Regularly update your MetaMask wallet to ensure you have the latest features, bug fixes, and optimizations. By following these steps, you can effectively manage and fix gas fees on MetaMask, enhancing your transaction experience on the Ethereum network.