Unable to sign tx created with bitcoin core via Sparrow wallet

Coins and transactions Transactions
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1

I’m unable to sign a transaction created with bitcoin-tx.exe using Sparrow wallet. I can sign a transaction using a paper wallet on Sparrow, but not on Trezor.

Here’s what I did:

  1. Create a simple 1 vin, multiple vout tx with bitcoin-tx.exe CLI.
  2. Use bitcoin-cli.exe to convert the transaction to a psbt using the “converttopsbt” command.
  3. Load the transaction into Sparrow and attempt to sign it.
    This works perfectly with a paper wallet on Sparrow, but I receive the error “Cannot sign external inputs” when trying with Trezor.

Additional notes:

  1. I confirmed that the UTXO is visible in my Trezor Suite account.
  2. This works with a paper wallet with Sparrow
  3. The fee is sufficient

Thanks for any help.

2

Are you running Trezor Suite and Sparrow at the same time? They can interfere with each other’s connection to the Trezor device.