Metamask Error: Non -Typarror: Web3 is not a constructor
Once You Have Come Across A Mistake Like “Uncout Typingror: Web3 is not a constructor” trying to connect to your metamk wallet on the blockchain site, you are probable dealing with the version of the version or the wrong library configuration. This article will help you fix the problem.
Understanding the Error Message
The Error Message Indicates That Web3 (Javascript Library Used for Interaction with Ethereum Blockchain) is unable to connect to your metamask purse. Specifically, it complains that web3 is not a constructor.
Version Expenditure: Potential Culetive
Your web3.you library version used (^1.3) could be the culprit behind this problem. AltheHe you mentioned the version, there are some differentences between the versions:
* Web3 V0.4.4 : This is an older version that does not support asynchronous transactions.
* Web3 V1.3.02.10.8.
Troubleshooting Actions
To Resolve This Issue, Follow these Steps:
1. Check Your Metamk Version
Make sure you use the latest version or metamask. Go to the metamask site ([metamk] ( and click “connect” in the upper right.
- Look for the version number (EC,
1.3.0) and update it if necessary.
- Wait a Few minutes the web3.you reveal updates as it can sometimes take some time.
2. Check your blockchain site
Check that your blockchain site is available with web3. Try access to the same site with or without connected metamask (If Possible). If the Problem Still Exists only if you are connected to metamass, you may need to update the browser Settings or Consider the Reset of the Metamask Connection.
3. Update your web3.you libraryy
If you are using an older web3.js version (V0.4.4) You can try to update it:
- Install the latest version from NPM:
NPM Install @Ethers-Oors/Web3 @Last '
- Alternatively, use a packet manager such as yarn or bower to manage addiction.
4. Enable Async Transactions
If you are using an older web3.js version (v1.3.0-2.10.8`), you may need to enable async transactions:
- Go to “advanced” on the metamask settings page and select the ability to use async transactions.
- Wait a Few Minutes Until the Changes Come Into Effect.
5. Reset Your Metamask Connection
If none of the above steps solve the problem, you can try to reset the metamask connection:
- Close all of the web3 in the browser or remove any references from your code.
- Restart your browser and re -connect to metamk.
Conclusion
Error Message “Small Typingror: Web3 is not a constructor” Usually indicates the problem with the web3. in the library version. When performing thesis troubleshooting activities, you should be able to solve the problem and successful connect to your metamk wallet on the blockchain site.