Let's resolve the error you received, concepcion.
Error code 2107 indicates a damaged component in your transaction or in the QuickBooks program itself.
To resolve this, you can delete and recreate the paycheck and then send it. If the same thing happens, you can repair your QuickBooks, then resend your payroll. Please back up your company files before repairing QuickBooks.
In relation to sending direct deposits, you can also check this for your reference in the future: Troubleshoot Payroll Service Server Error or Payroll Connection Error
Please feel free to share an update after doing the things mentioned above. We're just around if you need anything else.