Troubleshooting

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

Ledger wallet error "Unknown device"
The "Unknown device" error is a security measure of your browser. How to solve it Click on the "Unkown device" line in t...
Wed, 24 Nov, 2021 at 8:51 PM
Ledger: utility.batch error
Ledger does not support batch transactions. Therefore you will run into the "utility.batch error" when trying to perform certain actions on polkad...
Wed, 24 Nov, 2021 at 8:51 PM
My "Add Ledger" button doesn't work on polkadot.js
1. Nothing happens when I click the "Add Ledger" button Can you see your Ledger in your list of accounts? If yes, then everything is fine. Not...
Wed, 24 Nov, 2021 at 8:51 PM
My address starts with “5” or a capital letter, not “1” as it should.
Each Substrate chain has its own address format. For example, an address starting with “5” is a generic Substrate address and an address starting with a cap...
Wed, 24 Nov, 2021 at 8:51 PM
My Ledger account is in my address book and I can't send funds out!!
Transactions can only be made from the accounts page. All contacts in the address book are read-only and no transactions can be made from them.  You wil...
Wed, 24 Nov, 2021 at 8:52 PM
My Ledger is stuck on "loading" on polkadot.js
If you have trouble adding your Ledger to polkadot.js according to these instructions, and the loading icon just keeps spinning, please try the followi...
Wed, 24 Nov, 2021 at 8:52 PM
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 ...
Tue, 4 Jan, 2022 at 2:08 PM
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,...
Wed, 24 Nov, 2021 at 8:52 PM
Polkawallet Support
Despite its name, Polkawallet is not our product.  For troubleshooting help, please get in touch with the Polkawallet team directly via their website https...
Wed, 24 Nov, 2021 at 8:53 PM
The Ledger wallet is not supported on Windows 7
The Ledger Live app is not supported on Windows 7.  The only solution is to either upgrade to a newer Windows version or to use a different computer wit...
Wed, 24 Nov, 2021 at 8:53 PM