Troubleshooting

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

Can't connect Ledger: "No compatible device found."
If you encounter the message "No compatible device found" when trying to connect your Ledger to polkadot.js, please make sure that:  Your Led...
Thu, 8 Oct, 2020 at 2:23 PM
Error: "balances.transferKeepAlive"
When you try to send funds out of your account on polkadot.js.org/apps/#/accounts and get the message "balances.transferKeepAlive" the system is p...
Fri, 9 Oct, 2020 at 12:21 PM
Error: Insufficient Balance
If you encounter this error it means that you are trying to send all of your transferrable funds out, without leaving a small balance for the transaction fe...
Mon, 14 Sep, 2020 at 1:02 PM
Error: Transaction is temporarily banned
If you encounter this error on polkadot.js, you probably tried to submit a transaction more than once. Your first transaction might still be in process.  P...
Fri, 9 Oct, 2020 at 12:20 PM
I sent funds to the wrong address!
This is an unfortunate mistake that sadly no third party can help you with.    It is a bit like sending an envelope full of cash to the wrong address. Bec...
Thu, 3 Sep, 2020 at 1:44 PM
Ledger Error: Spec version not supported
If you encounter this error when you use your Ledger on polkadot.js, it means your DOT app on your Ledger needs to be updated.  Please open the Man...
Sat, 19 Sep, 2020 at 1:10 PM
Ledger installation: Small window does not open
"I have connected my Ledger via "attach ledger via webusb". When I open the accounts page and hit "Add Ledger" the small window doe...
Mon, 21 Sep, 2020 at 12:09 PM
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, 9 Sep, 2020 at 4:43 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...
Mon, 28 Sep, 2020 at 8:32 AM
My address starts with “5” or a capital letter, not “1” as it should.
An address starting with “5” or a capital letter indicates that your account is using a Substrate (5) or Kusama (capital letter) address. The following addr...
Fri, 11 Sep, 2020 at 4:40 PM