Error trying to place limit order on the Nash DEX

gistfile1.txt

import {
  Client,
  EnvironmentConfiguration,
  CryptoCurrency,
  createCurrencyAmount,
  createCurrencyPrice,
  OrderBuyOrSell,
  OrderCancellationPolicy
} from '@neon-exchange/api-client-typescript'

const nashClient = new Client(EnvironmentConfiguration.production)
nashClient.login(require('./1234.json'))

const run = async () => {
  try {
    let balance = await nashClient.getAccountBalance(CryptoCurrency.BTC)
    console.log(balance)

    console.log('trying to place limit order')

    // The next line of code yields the following error: 
    // Could not get nonce set: TypeError: Cannot read property 'eth' of undefined
    // 2020-10-28T02:59:13.026Z
    // Caught error
    // TypeError: Cannot read property 'btc' of undefined
    // at Client.prefillRPoolIfNeededForAssets (C:\Users\ectsa\node_modules\@neon-exchange\api-client-typescript\build\main\client\client.js:302:43)
    // at Client.placeLimitOrder (C:\Users\ectsa\node_modules\@neon-exchange\api-client-typescript\build\main\client\client.js:1542:20)
    // at C:\Users\ectsa\trade.js:53:49
    // at step (C:\Users\ectsa\trade.js:33:23)
    // at Object.next (C:\Users\ectsa\trade.js:14:53)
    // at fulfilled (C:\Users\ectsa\trade.js:5:58)
    // at process._tickCallback (internal/process/next_tick.js:68:7)
    
    let order = await nashClient.placeLimitOrder(
      false,
      createCurrencyAmount('0.020001', CryptoCurrency.ETH),
      OrderBuyOrSell.SELL,
      OrderCancellationPolicy.GOOD_TIL_CANCELLED,
      createCurrencyPrice('0.05', CryptoCurrency.BTC, CryptoCurrency.ETH),
      'eth_btc'
    )
    console.log(order.status)

  } catch (e) {
    let dateTime = new Date()
    console.log(dateTime)
    console.log('Caught error')
    console.error(e)
  }
}

run()