ParseError：“Erreur lors de la validation de la contrainte

Question

  

ParseError：“Erreur lors de la validation de la contrainte

     

Le champ nameLab n'existe pas

 <field name="order_line" mode="tree,kanban">
     <tree string="labs Order Lines" editable="bottom" >
             <field name="nameLab" />
     </tree>                                
</field>

class test1 (models.Model):
    _name = "test1"
    order_line = fields.One2many('test2', 'order_id', string='Order Lines', copy=True)
    nameLab = fields.Many2one('a_model',related='order_line.namelab',string='name Lab', store=True)



class test2(models.Model):
    _name = 'test2'
    namelab=fields.Many2one(comodel_name='a_model',
        required=True, ondelete='cascade',)

编辑：

整个观点

<record id="view_invoice_lab_form" model="ir.ui.view">
            <field name="name">lab.invoice.form</field>
            <field name="model">lab.invoice</field>
            <field name="arch" type="xml">
                <form string="Labs Invoices" class="o_sale_order">
                <header>

                </header>
                <sheet>


                    <div class="oe_title">
                        <h1>
                            <field name="name" readonly="1"/>
                        </h1>
                    </div>
                    <group>
                        <group>
                            <field name="T1" />
                        </group>
                        <group>
                            <field name="T2" />
                            <field name="T3"/>
                            <field name="T4"/>
                           <!-- <field name="sequence"/>
                             <field name="name"/>  -->
                        </group>
                    </group>
                    <notebook>
                        <page string="Order Lines">
                            <field name="order_line" mode="tree,kanban">
                                <tree string="labs Order Lines" editable="bottom" >


                                         <field name="nameLab" /> 
                                </tree>                                
                            </field>
                        </page>

                    </notebook>
                </sheet>

            </form>
        </field>
    </record>

    @api.onchange('nameLab')
    def onchange_nameLab(self):

        if self.nameLab:

Answer 1

test2没有字段nameLab，但它有一个字段namelab（请参阅大写字母L）。

解释：

<tree string="labs Order Lines" editable="bottom" >
     <field name="nameLab" />
</tree>

在这里，您要渲染test2（One2many order_line是One {2} test2而不是test1。