Couple of quick questions -

• has the stash made txs before?
• which are Ledger accounts? Stash and/or destination?

• Originally no, the stash has only received a transaction. Since your comment, I've made a small transaction out and re-attempted but I still get the same error.
• Destination account is not a ledger account (it's a wallet on Polkawallet). Stash & controller accounts are ledger accounts.

Ok, so -

• stash - Ledger, confirmed working
• controller - Ledger, this is the sender of the transaction (error may originate here)
• destination - as long as it is an account added via contacts or as an actual account, should be fine

I am suspecting something weird with the multiple accounts -

What is your stash/controller account and indexes in this case? (Will try to replicate, Just need to know what is shows as, ie. „Ledger 1/2“ in accounts)

I've set up the ledger stash/controllers with this pattern:
Stash: 0/0
Controler: 1/0

Stash: 0/1
Controler: 1/1

Stash: 0/2
Controler: 1/2

Stash: 0/3
Controler: 1/3

etc.

Perfect. Ok, not tonight, but will try and replicate first thing in the morning.

Ok, have tracked it down, it is a Ledger issue, it does not cater for the latest RewardDestination structures, it only caters for the Stash, Controller and Staked entries, not Account.

• For Kusama https://github.com/Zondax/ledger-kusama/blob/master/app/src/substrate_types.c#L295-L304
• For Polkadot https://github.com/Zondax/ledger-polkadot/blob/master/app/src/substrate_types.c#L303-L312

In the above values 0, 1, 2 is valid, 3 (which is the Account entry) is not supported.

EDIT: Logged it with the Ledger app

Closing. Tracking issue on Ledger.

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue if you think you have a related problem or query.