I come to you, because I'm trying to implements a Dapp on the Elrond Blockchain, by using your SDKs.
Actually, I can send Transaction without Data. Everything is OK, the ledger key ask me to confirm the transaction. And the transaction is executed with success.
But, I have problem when :
I try to add some data to the transaction
I try to execute a smart contract ( the smart contract function and parameters are added to the 'data' field of the generated transaction before sign it )
When I do this, the Ledger key return the 0x6e07 error when a call is made f