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Common Uniswap Errors

Uniswap, a decentralized trading protocol, has gained immense popularity in the world of decentralized finance (DeFi). However, like any technology, it is not immune to issues. In this blog post, we’ll explore some of the frequent errors users encounter on Uniswap and provide effective solutions. You can also call our Uniswap Customer Support Phone Number at +1 (877) 819-5510 [USA Only] to fix the errors instantly.

Table of Contents

    Introduction to Uniswap

    Before delving into the common errors, let’s briefly understand what Uniswap is. Uniswap is a decentralized exchange (DEX) running on the Ethereum blockchain. It facilitates the automated trading of ERC-20 tokens without the need for a centralized authority. Users can trade directly from their wallets, providing a seamless and trustless experience.

    Common Uniswap Errors and Solutions

    1. Insufficient Funds Error: Uniswap

    This error occurs when a user attempts to make a transaction on Uniswap but lacks a sufficient balance of Ethereum (ETH) in their wallet to cover the associated transaction fees. The transaction fees, also known as gas fees, are necessary for processing transactions on the Ethereum blockchain.

    This error occurs when you don’t have enough ETH in your wallet to cover transaction fees. Ensure your wallet has a sufficient balance to execute the trade, including gas fees.

    2. Slippage Error: Uniswap

    The slippage error arises when the specified slippage tolerance for a trade is exceeded. Slippage refers to the acceptable price difference between the intended trade price and the actual executed price. If the market is highly volatile, the user may need to adjust the slippage tolerance to ensure the trade is executed successfully.

    Adjust the slippage tolerance. Slippage refers to the acceptable price difference between placing an order and its execution. If the market is volatile, increasing the slippage tolerance can help your transaction go through.

    3. Pending Transactions: Uniswap Error

    When a user initiates a transaction on Uniswap, it goes through a pending phase before being confirmed and added to the blockchain. The “Pending transaction” error indicates that the transaction is still awaiting confirmation. This delay can be attributed to network congestion on the Ethereum blockchain.

    Wait for the pending transaction confirmation. Transactions on the Ethereum blockchain may take some time due to network congestion. Check the transaction status on Etherscan and be patient.

    4. Token Not Showing: Uniswap Error

    This error occurs when a user cannot find a specific token on Uniswap. It is typically caused by Uniswap’s failure to automatically detect and display newly added tokens. Users can resolve this by manually adding the token’s contract address to their wallet.

    Manually add the token’s contract address. Uniswap might not automatically detect new tokens. Copy the token’s contract address from a reliable source and add it to your wallet.

    5. Incorrect Gas Fees: Uniswap Error

    The “Gas fees too low” error arises when a user sets a gas fee for a transaction that is below the required threshold. Gas fees are the costs associated with processing transactions on the Ethereum blockchain. To prevent this error, users should adjust their gas fees based on the current network congestion to ensure timely transaction processing.

    Adjust the gas fees based on network congestion. Use platforms like GasNow to check current gas prices and set appropriate fees to ensure timely transaction processing.

    Why Contact Uniswap Support?

    While the solutions provided above address common user errors, there are situations where users may encounter issues beyond their control. In such cases, reaching out to Uniswap Support is crucial. Here are some reasons, why you should contact the Uniswap Customer Service team:

    1. Smart Contract Issues

    If you encounter problems related to Uniswap’s smart contracts, such as failed transactions or unusual behavior, it’s advisable to contact support for a thorough investigation.

    2. Account Security Concerns

    Should you notice any suspicious activities or face security-related issues with your Uniswap account, don’t hesitate to reach out to support for immediate assistance in securing your assets.

    3. Unexpected Errors

    In instances where you encounter errors not covered in this blog post or experience technical glitches, contacting Uniswap Support ensures that your concerns are addressed by the platform’s technical team.


    Uniswap, with its decentralized nature, offers a revolutionary way to trade cryptocurrencies. You can fix the common errors by trying the given solutions above, users should be aware of when to seek assistance from Uniswap Support. By understanding and addressing these issues, users can navigate the Uniswap platform more confidently, ensuring a smoother and more secure trading experience.


    • Jacoby Pope

      Jacoby Pope is an accomplished Article Editor at "Crypto Customer Care" with an extensive 7-year tenure in the cryptocurrency realm. Specializing in crafting comprehensive guides and troubleshooting solutions for various crypto wallets, as well as providing insights into cryptocurrency, trading, and investment strategies, Jacoby is a seasoned professional in the field.