Field default_provider_id used in domain of <field name="product_id">  ([('partner_id', '=', default_provider_id),('sale_ok', '=', True), '|', ('company_id', '=', False), ('company_id', '=', parent.company_id)]) must be present in view but is missing.

<odoo>
    <data>
        <record id="trade_party2nd_inspect_order" model="ir.ui.view">
            <field name="name">trade_party2nd_inspect_order</field>
            <field name="model">sale.order</field>
            <field name="inherit_id" ref="sale.view_order_form"/>
            <field name="arch" type="xml">
                <xpath expr="//field[@name='partner_shipping_id']" position="after">
                    <field name="provider_id" widget="many2one_tags"/>
                </xpath>
                <field name="order_line" position="attributes">
                    <attribute name="context">{'default_provider_id': provider_id}</attribute>
                </field>
                <field name="product_id" position="attributes">
                    <attribute name="domain">[('partner_id', '=', default_provider_id),('sale_ok', '=', True), '|', ('company_id', '=', False), ('company_id', '=', parent.company_id)]</attribute>
                </field>
            </field>
        </record>
    </data>
</odoo>