How to Fix the Unsupported Chain ID PancakeSwap Error (Answered)

How to Fix the Unsupported Chain ID PancakeSwap Error (Answered)

by Sebastián Villafuerte
If you’re interested in decentralized exchanges and BNB Smart Chain (BSC), you probably heard of PancakeSwap. The PancakeSwap platform is widely used to trade tokens created on the BNB Smart Chain, which adheres to the BEP-20 standard.
PancakeSwap crying to an unsupported chain ID message

A common issue is the unsupported chain ID PancakeSwap message. It happens when people try to connect their wallet to a blockchain that doesn’t support the token they’re trading.

Fixing the unsupported chain ID PancakeSwap error is a simple task; it’s a matter of knowing which network is connected to your wallet. So be mindful of which wallet and network you select while using PancakeSwap.

It may sound messy, but if you read on, this article will clear up all your doubts.

What is PancakeSwap?

PancakeSwap is a decentralized exchange (DEX) used by people who want to trade tokens built on the BNB Smart Chain under the BEP-20 standard.

PancakeSwap works like any other decentralized exchange, with the difference being that it’s built to support swaps and trades between BEP-20 tokens. So PancakeSwap is mainly used by Binance native token owners.

What is BNB Smart Chain?

BNB Smart Chain is a blockchain network created by Binance, the largest centralized crypto exchange in the world. Binance programmed BSC to provide clients with the operability to develop smart contracts and dApps (decentralized apps), just like Ethereum.

The network easily connects to Ethereum’s blockchain, allowing developers to create compatible dApps or migrate the info from Ethereum to BSC.

What does unsupported chain ID mean in PancakeSwap?

When you see the unsupported chain ID PancakeSwap error, you are swapping a token not supported by the network you selected. 

For example, if you’re trying to swap tokens from Binance Smart Chain (BSC) like $CAKE or $TWT, but the selected chain is Ethereum, you will get the unsupported chain error message because you can’t swap these tokens on Ethereum’s blockchain.

This issue is common with Trust Wallet and MetaMask users since these wallets are usually connected to Ethereum’s blockchain. 

The unsupported chain ID error PancakeSwap error occurs when people connect their Trust Wallet or MetaMask to PancakeSwap without being connected to the BNB Smart Chain.

How do you fix the unsupported chain ID PancakeSwap message?

To fix the unsupported chain ID PancakeSwap error, you first need to identify the network you’re using to swap tokens. The good news is that you can fix this problem just by changing the network to “BNB Smart Chain.”

For a step-by-step solution, just follow these steps:

  1. Open PancakeSwap exchange
  2. Connect your wallet
  3. Check which network is selected in the top right corner
  4. Select the BNB Smart Chain to swap or trade BEP-20 tokens
  5. Trade your tokens. The unsupported chain ID PancakeSwap error is now solved.

This issue typically occurs to people using wallets like Trust Wallet or MetaMask. Therefore, if you’re using a wallet meant for Ethereum’s blockchain, make sure to check the network you’re using to swap in PancakeSwap.

How can you connect Trust Wallet to PancakeSwap?

If you’re using Trust Wallet and want to connect it to PancakeSwap, Wallet Connect is the most effective platform to do it. They offer the best solution for people with Ethereum wallets wanting to connect with dApps like PancakeSwap.

Are you ready to learn about Wallet Connect? Keep reading to find how you can use this platform.

What is Wallet Connect?

Wallet Connect is a Web3-based protocol that allows apps and wallets to connect and interact securely. It’s a project that solves the interoperability problem in blockchain and Web3 environments.

You can use it to connect your Trust Wallet to dApps or decentralized exchanges like PancakeSwap, and it’s easy and convenient to learn how to use it.

Can you connect your Trust Wallet to PancakeSwap using Wallet Connect?

If you have a Trust Wallet, it can be linked to the PancakeSwap exchange. It’s an easy, straightforward process managed via ‘Wallet Connect,’ an open-source protocol connecting dApps and mobile wallets.

You can learn how to connect your Trust Wallet to PancakeSwap by following these steps:

  1. Open the PancakeSwap website
  2. Click on ‘Connect Wallet’ and select ‘Wallet Connect’
  3. A QR code will open in a pop-up window
  4. Open your Trust Wallet app on your mobile device
  5. Navigate to ‘Settings’ and then select ‘Wallet Connect’
  6. Scan the QR code in your browser and click ‘Connect’
  7. Check the PancakeSwap website and see if your wallet is linked
Adding BNB Smart Chain to MetaMask

If you have a MetaMask wallet, you can connect it to PancakeSwap to interact with BEP-20 assets. You just have to follow these instructions, and you’ll have your wallet linked in 5 minutes:

  1. Open your MetaMask wallet and go to ‘Network Selector’ at the to.
  2. Click on the ‘Custom RPC’ option
  3. A pop-up window will open. Enter the following data:
Network Name: BNB Smart Chain
Chain ID: 56
Currency Symbol (optional): BNB
Block Explorer URL (optional):​
  1. Click save and go to the PancakeSwap website
  2. Click on ‘Connect Wallet’ and connect your MetaMask wallet in PancakeSwap


To fix the unsupported chain ID PancakeSwap error, you just have to know which network is linked to your wallet when you want to swap and trade assets. So whenever you get this error, check the network and see if your coins are supported by it.

PancakeSwap is one of the most reliable dApps for swapping and trading crypto-assets, especially when you’re interacting with BEP-20 tokens. In addition, it’s compatible with Ethereum’s blockchain, and it’s an excellent tool for traders and developers.