Error: Unknown address - unable to sign transaction for this address

Ah yes, this was it :slight_smile: Thanks again. Finally I use this snippet including the HD-wallet-address-issue in order to use MyCrypto-App for managing funds and token:

ropsten: {
  provider: () => new HDWalletProvider(
    process.env.DEV_MNEMONIC, "https://ropsten.infura.io/v3/" + infuraProjectId, 0, 10,
    true, "m/44'/1'/0'/0/"
    ),
  network_id: 3,       // Ropsten's id
  gas: 6000000,
  gasPrice: 5e9,
},

It gives me 10 addresses.

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