Troubleshooting

Any errors you may get, what they mean, and how to solve them.

Ledger: Small window does not open
Connecting your Ledger device to Polkadot-JS for the first time "I have connected my Ledger via "attach ledger via webusb". When I open t...
Thu, 27 Oct, 2022 at 10:43 PM
Ledger: Spec version not supported
"Spec version not supported" Error If you encounter this error when using your Ledger on the Polkadot-JS UI, it means the Polkadot app on your...
Tue, 22 Nov, 2022 at 11:41 PM
Ledger: Txn version not supported
You may encounter the error "txn version not supported" when trying to send DOT or KSM from your Ledger via the Polkadot-JS UI or Ledger Live.  ...
Tue, 17 Jan, 2023 at 3:57 PM
Ledger: Unknown Status Code: 28161
If you get this error when trying to sign a transaction with your Ledger, make sure that the Polkadot or Kusama app is open on the device. You should see &q...
Mon, 14 Nov, 2022 at 6:15 PM
My address starts with “5” or a capital letter, not “1” as it should.
Address Formats Each Substrate chain has its own address format. For example, an address starting with “5” is a generic Substrate address and an address st...
Fri, 14 Oct, 2022 at 12:57 AM
My mnemonic phrase is invalid!
If you're trying to restore your account on Polkadot-JS UI or the Polkadot extension and you're getting an error like this: Polkadot-JS UI ...
Mon, 14 Nov, 2022 at 11:50 PM
Polkadot-JS UI: How to Import a Private Key From Another Wallet
Most third-party wallets (e.g., Polkawallet, Trust Wallet, etc.) use a 12-word or 24-word mnemonic phrase to back up your account. Here is how you can resto...
Thu, 2 Feb, 2023 at 12:00 PM
Polkadot-JS UI: How to Import an Account From Enzyme Wallet
The Enzyme wallet is no longer being supported by its developers. Should you run into any difficulties managing your funds in the app, you can restore your ...
Thu, 2 Feb, 2023 at 12:37 PM
Polkadot-JS UI: How to troubleshoot connection issues
Sometimes you may experience connection issues, e.g. when trying to confirm a transaction, or when trying to access the network in the first place. You may ...
Mon, 14 Nov, 2022 at 5:55 PM
Polkadot-JS UI: My Password is not working!
Whenever you issue an extrinsic with the Polkadot-JS UI or the Polkadot extension for e.g. the purpose of staking or transferring funds out of your account,...
Mon, 14 Nov, 2022 at 5:19 PM