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How to Fix Internal JSON-RPC Error on MetaMask
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  • Post category:MetaMask
  • Post last modified:07/05/2024
  • Reading time:5 mins read

In this guide, we’ll unravel the complexities behind the Internal JSON-RPC Error, offering practical solutions to ensure your MetaMask interactions remain smooth and error-free. From network configurations to token balances and software updates, we’ll delve into the key factors influencing this error and provide clear steps to troubleshoot.

Also Know: How To Fix Failed Metamask Transactions (Troubleshoot)

What is an Internal JSON-RPC Error in MetaMask

The JSON-RPC Error in MetaMask is a communication issue between two computer programs utilizing the JSON-RPC (Remote Procedure Call) protocol. This error commonly occurs when interacting with decentralized applications (DApps) on the Ethereum blockchain through the MetaMask wallet.

Steps To Fix “Internal JSON-RPC Error” on MetaMask

If you encounter the “Internal JSON-RPC Error” on MetaMask, follow these simple steps to resolve the issue:

1. Ensure Network Addition

Double-check that you have added the network correctly. Use Chainlist to add custom networks or tokens to avoid errors.

2. Verify Sufficient Tokens

Ensure you have enough native tokens from the network you’re interacting with to cover gas fees.

3. Use Chrome and MetaMask

Download and install Chrome and MetaMask, then enable Ledger Live support for a comprehensive solution.

4. Check Network Addition

One major cause is adding networks incorrectly. Ensure the network is added correctly.

Also Read: Can I Connect MetaMask To Coinbase? – Latest Guide 2023

FAQs – Related to Internal Error on MetaMask

Why am I getting the JSON-RPC Error on MetaMask?

This error often occurs due to issues with network addition or insufficient tokens to cover gas fees.

How can I ensure proper network addition on MetaMask?

Double-check that you’ve added the network correctly, and consider using tools like Chainlist for custom networks and tokens.

What should I do if I don’t have enough tokens for gas fees?

Ensure you have a sufficient balance of native tokens from the network you’re interacting with to cover transaction costs.

Does updating MetaMask help in resolving the Internal JSON-RPC Error?

Yes, keeping MetaMask up-to-date is crucial. Regularly check for updates and install them to benefit from bug fixes and improvements.


  • 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.

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