Troubleshooting "Cannot Estimate Gas" Error on PancakeSwap

Encountering the frustrating "Cannot Estimate Gas" error while trying to trade on PancakeSwap? You\'re not alone! This common issue can prevent you from buying or selling tokens, but fortunately, there are several solutions. This guide will walk you through the causes and effective fixes for this problem.

Understanding the "Cannot Estimate Gas" Error

Have you received a “cannot estimate gas” error as you try to buy or sell your tokens on PancakeSwap? The full error message on the screen will read, “The...". Essentially this error indicates PancakeSwap‘s systems are unable to reliably estimate the precise gas fee needed to process the transaction and complete your transaction. In PancakeSwap, “Cannot Estimate Gas o en español: no se puede estimar el gas” significa que el intercambio no puede estimar el costo de la transacción. Ocurre con...

Why Does This Error Occur?

Several factors can contribute to the "Cannot Estimate Gas" error:

• High Slippage: This is the most common cause. If the price fluctuates significantly during your transaction, PancakeSwap might struggle to estimate the gas required.
• Insufficient Liquidity: If there isn\'t enough liquidity for the token you\'re trying to trade, the gas estimation can fail.
• Complex Transactions: Transactions involving multiple contracts or unusual tokens can be difficult for PancakeSwap to estimate gas for.
• Network Congestion: High network traffic on the Binance Smart Chain (BSC) can also lead to gas estimation problems.

How to Fix the "Cannot Estimate Gas" Error

Here are several effective solutions to resolve the "Cannot Estimate Gas" error on PancakeSwap:

1. Increase Slippage Tolerance

To fix “cannot estimate gas” on PancakeSwap, you need to increase your slippage tolerance to 12%. After you’ve increased your slippage tolerance, you need to... This is a quick and effective way to fix the “cannot estimate gas” swap error on message on PancakeSwap. Stop trying random numbers or zeros!

1. Go to the PancakeSwap trade interface.
2. Click the settings icon (usually a gear symbol).
3. Adjust the "Slippage Tolerance" to 12% or even higher if needed. Consider gradually increasing if 12% doesn\'t work initially.
4. Try your transaction again.

2. Simplify Your Transaction

If you\'re attempting a complex transaction, try breaking it down into smaller steps. For example, if you\'re swapping multiple tokens, try swapping them individually.

3. Choose a Different Token

If the error persists with a specific token, it might indicate insufficient liquidity or other issues with that particular token. Consider swapping for a different token with higher liquidity.

4. Wait and Try Again Later

If network congestion is the culprit, simply waiting a few minutes or hours and retrying your transaction might resolve the issue. Network conditions can fluctuate.

5. Check for Contract Issues

In rare cases, the issue might stem from a problem with the token\'s smart contract. Verify the token\'s legitimacy and contract address before attempting the transaction.

Important Considerations

• Verify Contract Addresses: Always double-check the contract addresses of tokens to avoid scams.
• Be Aware of Slippage: Increasing slippage tolerance can result in a less favorable price for your trade. Use it judiciously.

By following these troubleshooting steps, you should be able to overcome the "Cannot Estimate Gas" error and successfully trade on PancakeSwap.

Last updated: 23 de sept. de 2025