If you encounter this error message, there are a few possible causes and solutions to consider:
Transaction Signing Delay
The error may occur if you take too long to sign the transaction.
Ensure you approve the transaction promptly when the signing prompt appears.
Low Priority Fee on a Busy Solana Network
The Solana network might be experiencing high traffic, and your priority fee may be too low for the transaction to be processed.
Increase the priority fee to resolve this issue.
Hardware Wallet Connection Issues
If you're using a hardware wallet, there could be a connection problem between the hardware wallet and your wallet extension.
Re-establish the connection between the two.
For Ledger users: Ensure "Blind Signing" is turned ON in your Ledger settings.
By addressing these potential causes, you should be able to resolve the error and complete your transaction successfully.