I’ve tried this on both a windows and mac system, there seems to be an issue with the latest ledger firmware and the SUI wallet. I can connect my ledger device, import the accounts with no issue, every time I try to transaction (even a simple send) I get the following error message: “Make sure the Sui app is open on your device”.
I can confirm that my ledger is connected via USB is unlocked with the SUI app running.
Ledger app version - 0.2.1
Ledger Nano X CA81 - 2.2.4