title: importing invoices in Odoo it throw error always
body: <p>when I try to import an excel of provider invoice it always gives the following error in Odoo 13.</p>
  <p>&quot;account_move_line&quot; violates the &quot;check&quot; constraint &quot;account_move_line_check_accountable_required_fields</p>
  <p>In a new database import correctly, but I need to import it into a database that already has data</p>