I'm trying to move my adoons from odoo 10 to odoo 12. I'm getting problem on my custom search view. I've read the documentation for search view but I don't see what's the problem?

Error

odoo.tools.convert.ParseError: "Invalid view pos.order search definition in tabla_pos_12/views/views.xml

None" while parsing /opt/odoo/customaddons/tabla_pos_12/views/views.xml:46, near

<record id="tabla_orders_search_view" model="ir.ui.view">

		<field name="inherit_id" ref="point_of_sale.view_pos_order_filter"/>

		<field name="model">pos.order</field>

		<field name="arch" type="xml">

			<xpath expr="//field[@name='name']" position="before">

				<filter string="Month" domain="[('date_order','>=',context_today().strftime('%Y-%m-01')),('date_order','<',(context_today()+relativedelta(months=1)).strftime('%Y-%m-01')) ]"/>

				<filter string="Year" domain="[('date_order','>=',context_today().strftime('%Y-01-01')),('date_order','<=',(context_today()+relativedelta(years=1)).strftime('%Y-01-01'))]"/>

				<filter string="Last Month" domain="[('date_order','>=',(context_today()-relativedelta(months=1)).strftime('%Y-%m-01')),('date_order','<',time.strftime('%Y-%m-01')) ]"/>

				<filter string="Last Year" domain="[('date_order','>=',(context_today()-relativedelta(years=1)).strftime('%Y-01-01')),('date_order','<=', time.strftime('%Y-01-01'))]"/>

			</xpath>

		</field>

	</record>