How to Fix Internal JSON-RPC Error Metamask
Although Ledger and MetaMask have proven to work perfectly together, some errors can happen.
One of the most common problems that users face when trying to connect each crypto wallet with another is the JSON-RPC error.
Many users all over the world have experienced the same issue, so you are not alone here.
This, of course, will prevent you from doing any transaction using Ledger or MetaMask, so it’s imperative for us to solve it.
Based on our professional and personal experience, you will find on our website the information you are looking for about the following matters:
- How to fix “Internal JSON-RPC error” MetaMask;
- What does this same error that others are facing mean?;
- Important things you must know about Ledger and MetaMask.
Connecting Ledger Wallet to MetaMask
Many people in the crypto community agree with something: the combination between MetaMask and Ledger is the smoothest alternative out there.
When you sign in to MetaMask, a secret recovery phrase gets generated.
This seed phrase stores your private keys and the information of all transaction details performed.
That’s why having your private key protected along with a hardware wallet’s safety measures is, for many, the best way to go.
But the combination between MetaMask and Ledger can fail, which leads you to experience the following warning: JSON-RPC Error.
Pro Tip: The MetaMask wallet has been widely implemented in different decentralized environments.
For instance, Connecting MetaMask to PancakeSwap is as easy as it gets. In the previously mentioned post, we provide details about this and a few other transactions - check it out!
What Does the Internal JSON-RPC Following Error Mean?
This error message means that MetaMask Chrome extension (or another browser) is experiencing difficulties while detecting Ledger.
As a consequence, the connection won’t take place as long as the “JSON-RPC Error” message continues to appear.
Although some people that have experienced the same issue state that “I tried making a transaction yesterday, it didn’t work, I connected the wallet to a different USB port and now is working fine,” this is not the answer to this matter.
How to Fix Internal JSON-RPC Error MetaMask
If unplugging and plugging your Ledger device worked for you, congratulations! Otherwise, you might be looking for other answers.
If this is your case, then continue reading this blog post on our website so you can try the following fixes in your MetaMask and Ledger account.
Read Also: Do you want to Withdraw Money from MetaMask to a bank account? Since your wallet operates in a decentralized environment, you would need to send your crypto funds to a centralized exchange.
We share knowledge about this topic in our related article - check it out.
1. Update Ledger Live Firmware
The first solution consists of updating the firmware of your Ledger Live app.
If the latest version of the firmware isn’t running properly, then the JSON-RPC error might appear on your wallet.
In this case, it’s fundamental to go to the Official Ledger Website and make sure that the app is up-to-date.
Also, keep the Ethereum App settings updated.
In general, this applies to all the apps that run on Ledger.
Failing to update them properly will cause functionality problems before you even realize it.
2. Use a Different Browser
For many, this issue has been related to the browser extension they are using.
For instance, if you are using MetaMask on Google Chrome, try downloading the Firefox extension instead.
Likewise, your browser must be updated before trying to connect to Ledger Live.
Don’t forget to have “Contract data is allowed” active on the Ethereum App so the connection can be established without major inconveniences.
3. Connect Ledger Live from the Beginning
This might be the answer for you.
This fix consists of connecting Ledger to MetaMask from the very beginning.
In order to do this, follow these steps:
- Select the MetaMask icon in your browser and go to “Settings,”
- Now, go to “Advanced” and select “Use Ledger Live;”
- Turn Ledger Live on, and then click on “Connect Hardware Wallet;”
- Select Ledger (Nano S or X), and then click on “Open Live App.”
Since you have reestablished the connection from the beginning, it should work now.
Remember that it’s also useful to change browsers in case you consider the problem is caused by it.
Pro Tip: Storing your Non-Fungible Tokens on MetaMask is one of the best decisions you can make.
We show you the answer on how to do this in our Add NFT to MetaMask blog post - give it a read!
4. Use a Different MetaMask Account
Although this answer isn’t as practical as some people would want it, the truth is that some users have fixed the issue by doing this.
Nonetheless, we understand if you don’t want to change wallets.
After all, it’s imperative to have your assets stored in just one safe place, right?
Either way, if nothing seems to work for you, try this out - you might surprise yourself.
5. Contact Ledger Support Team
Let’s say that you tried all the previously mentioned fixes in this article.
If this is your case, and the error just keeps appearing on your screen, then contact the Ledger Support Team.
As you might expect, their first reaction will be to tell you to do the fixes we already show you in this guide.
Explain your problem in detail, and wait for an answer to get this matter solved once and for all.
We hope you found the answer you were looking for in our research effort guide!
For more useful MetaMask and Ledger content, check everything we have for you here, at GrowFollowing.
FAQ
Why Can’t I Open a Deep Link on MetaMask?
Perhaps your MetaMask isn’t properly set at the moment you tap on the link.
This error can be caused by a wide variety of reasons, so we highly recommend you check our Deep Link Not Supported MetaMask article to learn more about it.
Are Ledger Wallets Safe?
Yes, they are. Constant updates, cold storage, and safety measures are what make hardware wallets, such as Ledger, one of the safest options out there.
Learn more about Ledger Safety here.
Steve specializes in cryptocurrency and finance. As a born researcher, he won’t leave any stone unturned when it comes to topics he covers.