Metamask Error: Unable to exchange ERC20 tokens on UNISWAP

I have encountered an issue with my Metamask setup that is preventing me from successfully exchanging simple ERC20 tokens on the UNISWAP router. In this article, I will explain the error and offer potential solutions to resolve it.

The Problem

After adding liquidity to a token pair, such as ERC20 tokens on UNISWAP, I receive the following error:

Too few received

This error occurs because Metamask is not sending enough tokens to complete the exchange. As a result, the exchange attempt fails.

Why is this happening?

When you add liquidity to a token pair on UNISWAP, your MetaMask account receives a certain amount of tokens as part of the initial liquidity addition process. However, this amount may not be sufficient to support the desired swap amount. In most cases, the default amount of tokens sent to complete the swap is around 1-2% of the token supply.

Potential Solutions

To resolve this issue, you can try the following solutions:

1. Increase the initial liquidity amount

You can increase the initial liquidity amount by using the --liquidity option when adding liquidity to UNISWAP:

metamask add liquidity --liquidity 1000000 
Replace with your desired token supply

This will send more tokens to complete the swap, increasing the probability of a successful transaction.

2. Use the --swap option

Alternatively, you can use the --swap option when adding liquidity to UNISWAP:

metamask add liquidity -- swap -- amount 1000000 
Replace with your desired token supply

This will send a larger amount of tokens to complete the swap.

3. Check token supply

Make sure you are using the correct token pair and its supply to UNISWAP. If you swapped from a different pair or token, try adding liquidity again for that specific pair.

Additional Tips

• Make sure your MetaMask account has enough balance to support the swap amount.

• Monitor the transaction details to ensure it is successful.

• Be patient and try adding liquidity again if the initial attempt fails.

By following these solutions or tips, you should be able to resolve the “Too little received” error when exchanging ERC20 tokens on UNISWAP.

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