title: ERREUR: une valeur NULL viole la contrainte NOT NULL de la colonne « field_id »
body: <p>I am trying to migrate a module from odoo 10 to odoo 12 that contains a view with ir.default module type. but it shows me this error:</p>
  
  <p>I do not know how to rectify it. Can anyone help me, please?</p>
  
  <pre><code>odoo.tools.convert.ParseError: "ERREUR:  une valeur NULL viole la contrainte NOT NULL de la colonne « field_id »
  DETAIL:  La ligne en échec contient (9, null, null, null, null, null, 1, 2019-04-09 14:57:31.803622, 1, 2019-04-09 14:57:31.803622)
  " while parsing /PycharmProjects/Odoo12/bank_reconciliation/views/account_selected_move_line.xml:32, near
  &lt;record model="ir.default" id="action_selected_account_move_line_values"&gt;
              &lt;field name="name"&gt;Sélectionner les écritures&lt;/field&gt;
              &lt;field name="field_id"/&gt;
              &lt;field name="key"&gt;action&lt;/field&gt;
              &lt;field name="key2"&gt;client_action_multi&lt;/field&gt;
              &lt;field name="value" eval="'ir.actions.act_window,' + str(ref('action_selected_account_move_line'))"/&gt;
              &lt;field name="binding_model_id" ref="model_account_move_line"/&gt;
              &lt;field name="object" eval="True"/&gt;
          &lt;/record&gt;
  </code></pre>