Troubleshooting

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

How to troubleshoot connection issues on polkadot.js
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 ...
Thu, 2 Jun, 2022 at 9:42 PM
I sent funds to the wrong address!
This is an unfortunate mistake that sadly neither Web3 Foundation nor anyone  can help you with.    It is a bit like sending an envelope full of cash to t...
Wed, 24 Nov, 2021 at 8:47 PM
Ledger Error: "Not supported" or "Unexpected call index"
You may encounter the errors "Not supported" or "Unexpected call index" when trying to sign an extrinsic with your Ledger via the Polkad...
Fri, 8 Apr, 2022 at 1:56 PM
Ledger Error: "Unable to create enum via index"
If you're seeing "unable to create enum via index 13, in V0, V1, V2..." this indicates that you are using an older version of the Ledger Live...
Wed, 24 Nov, 2021 at 8:48 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...
Wed, 24 Nov, 2021 at 8:49 PM
Ledger Error: 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.  ...
Wed, 13 Apr, 2022 at 7:15 PM
Ledger error: 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...
Wed, 24 Nov, 2021 at 8:50 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...
Wed, 24 Nov, 2021 at 8:50 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, 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