# \[Archive\] Error connecting using SFA SDK **URL:** \ **Category:** Embedded Wallets (Web3Auth)\ **Created:** [October 17, 2023, 12:39pm UTC](https://builder.metamask.io/t/archive-error-connecting-using-sfa-sdk/1730 "2023-10-17T12:39:34Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![sharan](https://avatars.discourse-cdn.com/v4/letter/s/258eb7/32.png) [@sharan](https://builder.metamask.io/u/sharan)\ **Post date:** [October 17, 2023, 12:39pm UTC](https://builder.metamask.io/t/archive-error-connecting-using-sfa-sdk/1730/1 "2023-10-17T12:39:34Z")
> **šŸ› Archived Content from Web3Auth Community** > > This topic was originally posted by **sharan** on 10/17/2023. > This content has been migrated from our previous community forum to preserve valuable discussions. * * * When upgrading to the new SFA SDK, I am facing the following error. Any idea what it could mean? ```auto fetchNodeDetails.esm.js:65 Uncaught (in promise) Error: Failed to fetch node details at T.getNodeDetails (fetchNodeDetails.esm.js:65:31) at async Lr.connect (Web3Auth.ts:219:47) at async loginWeb3Auth ((index):240:13) at async HTMLInputElement.action_1 ((index):647:29) ``` This happens at the connect step. - SDK Version: 7.0.1 - Verifier Details: - Verifier Name: acmecore-iss2 - JWKS Endpoint: [https://stg-acme.us.auth0.com/.well-known/jwks.json](https://stg-acme.us.auth0.com/.well-known/jwks.json) - Sample idToken(JWT): eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6Ikg5QWdjTnRGWGJWejBsZGQ2RXRQTSJ9.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.O1tagfFaTV84nCU-v2fIlQgT0Yg-EL3oa0cfFXlcwIrsYrzNcPcylZBMWRRxFGIhpxn3uFIgD5u17vIr4GbvnOVoZ6SAWmocTEvdVbpQtsevyCxPHikQR4itghU-VKxNg-y9PEpkho0Xd8tO05Iot4C987-2gYRepUm6vDFsdj9lHXqKD6prVZBSlIqCHDo3QsRK4wXzb557xDTI5vsE9uICsYeGaRt8Jqs5z\_g35ajTWnj3RxrxePDkKLbPnt6-1e2U4yrIpZVyZUug1h-Acs0gEdZN5yA-FjLhhD7f2-NWkDwW4mJkcwNnSY7fk\_PMSyYhX2mbVyXA2vj1BOZyBw ---
**Author:** ![yashovardhan](https://yyz1.discourse-cdn.com/flex011/user_avatar/builder.metamask.io/yashovardhan/32/1526_2.png) [@yashovardhan](https://builder.metamask.io/u/yashovardhan)\ **Post date:** [October 17, 2023, 1:34pm UTC](https://builder.metamask.io/t/archive-error-connecting-using-sfa-sdk/1730/2 "2023-10-17T13:34:15Z")
Please share your implementation code. ---
**Author:** ![sharan](https://avatars.discourse-cdn.com/v4/letter/s/258eb7/32.png) [@sharan](https://builder.metamask.io/u/sharan)\ **Post date:** [October 17, 2023, 1:46pm UTC](https://builder.metamask.io/t/archive-error-connecting-using-sfa-sdk/1730/3 "2023-10-17T13:46:35Z")
```auto const chainConfig = { chainId: chainIdInHex, chainNamespace: Base.CHAIN_NAMESPACES.OTHER, rpcTarget: rpc } const web3auth = new SingleFactorAuth.Web3Auth({ clientId: WEB3AUTH_CLIENT_ID, web3AuthNetwork: "legacy_testnet", chainConfig // usePnPKey: "false", }); const privateKeyProvider = new BaseProvider.CommonPrivateKeyProvider({config: {chainConfig}}); web3auth.init(privateKeyProvider); const parsedJWT = await JSON.parse(atob(jwt.split('.')[1])); console.log("JWT parsed:", parsedJWT); await web3auth.connect({ verifier: WEB3AUTH_VERIFIER_NAME, // e.g. `web3auth-sfa-verifier` replace with your verifier name, and it has to be on the same network passed in init(). verifierId: parsedJWT.sub, // e.g. `Yux1873xnibdui` or `name@email.com` replace with your verifier id(sub or email)'s value. idToken: jwt, // replace with your newly created unused JWT Token. }); const privateKey = await provider.request({method: "private_key"}); ``` ---
**Author:** ![yashovardhan](https://yyz1.discourse-cdn.com/flex011/user_avatar/builder.metamask.io/yashovardhan/32/1526_2.png) [@yashovardhan](https://builder.metamask.io/u/yashovardhan)\ **Post date:** [October 17, 2023, 2:16pm UTC](https://builder.metamask.io/t/archive-error-connecting-using-sfa-sdk/1730/4 "2023-10-17T14:16:17Z")
Replace ā€˜legacy\_testnetā€™ with ā€˜testnetā€™ ---
**Author:** ![sharan](https://avatars.discourse-cdn.com/v4/letter/s/258eb7/32.png) [@sharan](https://builder.metamask.io/u/sharan)\ **Post date:** [October 17, 2023, 3:41pm UTC](https://builder.metamask.io/t/archive-error-connecting-using-sfa-sdk/1730/5 "2023-10-17T15:41:08Z")
I am getting the following error after the above suggested change: ```auto torusUtils.esm.js:510 Uncaught (in promise) Error: Error occurred while verifying params could not validate field iss, token https://stg-acme.us.auth0.com/, expected https://stg-acme.us.auth0.com/ at torusUtils.esm.js:510:20 at ``` The both look the same. Verifier ID: `acmecore-iss3` ---
**Author:** ![yashovardhan](https://yyz1.discourse-cdn.com/flex011/user_avatar/builder.metamask.io/yashovardhan/32/1526_2.png) [@yashovardhan](https://builder.metamask.io/u/yashovardhan)\ **Post date:** [October 17, 2023, 4:49pm UTC](https://builder.metamask.io/t/archive-error-connecting-using-sfa-sdk/1730/6 "2023-10-17T16:49:37Z")
There is a space at the end/ beginning of your iss value. Please update your verifier on dashboard to remove that. ---
**Author:** ![sharan](https://avatars.discourse-cdn.com/v4/letter/s/258eb7/32.png) [@sharan](https://builder.metamask.io/u/sharan)\ **Post date:** [October 17, 2023, 5:12pm UTC](https://builder.metamask.io/t/archive-error-connecting-using-sfa-sdk/1730/7 "2023-10-17T17:12:34Z")
It now says this: ```auto torusUtils.esm.js:510 Uncaught (in promise) Error: Verifier not supported at torusUtils.esm.js:510:20 at ``` ---
**Author:** ![sharan](https://avatars.discourse-cdn.com/v4/letter/s/258eb7/32.png) [@sharan](https://builder.metamask.io/u/sharan)\ **Post date:** [October 17, 2023, 6:08pm UTC](https://builder.metamask.io/t/archive-error-connecting-using-sfa-sdk/1730/8 "2023-10-17T18:08:00Z")
This is what worked for me: ```auto chainConfig = { chainId: "0x" + parseInt(chainId).toString(16), chainNamespace: Base.CHAIN_NAMESPACES.OTHER, rpcTarget: rpc } web3auth = new SingleFactorAuth.Web3Auth({ clientId: "<%= WEB3AUTH_CLIENT_ID %>", web3AuthNetwork: "testnet", chainConfig }); privateKeyProvider = new BaseProvider.CommonPrivateKeyProvider({config: {chainConfig}}); web3auth.init(privateKeyProvider); web3auth.ready=true console.log("wallet instantiated:", web3auth.ready); const parsedJWT = await JSON.parse(atob(jwt.split('.')[1])); console.log("JWT parsed:", parsedJWT); provider = await web3auth.connect({ verifier: "<%= WEB3AUTH_VERIFIER_NAME %>", // e.g. `web3auth-sfa-verifier` replace with your verifier name, and it has to be on the same network passed in init(). verifierId: parsedJWT.sub, // e.g. `Yux1873xnibdui` or `name@email.com` replace with your verifier id(sub or email)'s value. idToken: jwt, // replace with your newly created unused JWT Token. }); const privateKey = await provider.request({method: "private_key"}); ``` Note that I had to manually indicate that the wallet is instantiated using `web3auth.ready=true` otherwise it errored saying that the wallet is not instantiated yet. ---
**Author:** ![yashovardhan](https://yyz1.discourse-cdn.com/flex011/user_avatar/builder.metamask.io/yashovardhan/32/1526_2.png) [@yashovardhan](https://builder.metamask.io/u/yashovardhan)\ **Post date:** [October 18, 2023, 7:28am UTC](https://builder.metamask.io/t/archive-error-connecting-using-sfa-sdk/1730/9 "2023-10-18T07:28:02Z")
Hey Sharan Iā€™d request to kindly read through our examples of SFA, which have clearly mentioned the whole process of integration. ``` github.com ``` ### [//github.com/Web3Auth/web3auth-core-kit-examples/tree/main/single-factor-auth-web](https://github.com/Web3Auth/web3auth-core-kit-examples/tree/main/single-factor-auth-web) As I see from your code, please do not manually set web3auth.ready to `true` since that variable is meant to indicate you the status of the SDK initialisation. If you manually set that, it will definitely error out. Just add an `await` before `web3auth.init(privateKeyProvider)` function. It is meant to be called in your constructor.