Troubleshooting

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

Beware of Youtube Scams - How to protect yourself
Unfortunately scams are very common in the crypto space as you can see here. and by now, unfortunately, Polkadot also has imposters using the Polkadot name ...
Wed, 24 Nov, 2021 at 8:39 PM
Can I trade DOT on a DEX?
"I swapped tokens for DOT on PancakeSwap, but now they don't show up in my wallet."  A DEX is a decentralized exchange, such as PancakeSw...
Mon, 14 Nov, 2022 at 8:57 PM
Error: "balances.ExistentialDeposit"
This error happens when you're trying to send less than the existential deposit (1 DOT on Polkadot and 0.00003333 KSM on Kusama) to an empty account. ...
Mon, 14 Nov, 2022 at 11:48 PM
Error: "balances.transferKeepAlive"
When you try to send funds out of your account on Polkadot-JS UI and get the error message "balances.transferKeepAlive" the system is protecting y...
Thu, 20 Oct, 2022 at 11:09 PM
Error: "Unable to retrieve key pair"
Some users have reported the "Unable to retrieve the key pair" error. Below you will find a list of ways to troubleshoot this. 1. Are yo...
Mon, 14 Nov, 2022 at 8:56 PM
Error: Insufficient Balance
If you encounter this error, it means you are trying to send all of your transferrable funds out, without leaving a small transferable balance for the trans...
Thu, 27 Oct, 2022 at 11:52 PM
How to import a private key from another wallet to Polkadot-JS
Most third-party wallets (e.g. Polkawallet, Trust Wallet, etc.) use a 12-word or 24-word mnemonic seed phrase to backup your account. However, if you create...
Thu, 5 May, 2022 at 8:23 PM
I sent funds to the wrong address!
I accidentally sent funds to a wrong Polkadot address Due to the way the blockchain works, payments are irreversible. Once you send funds to the wrong a...
Tue, 18 Oct, 2022 at 12:01 AM
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...
Mon, 14 Nov, 2022 at 5:29 PM
Ledger: "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...
Mon, 14 Nov, 2022 at 6:10 PM