Hi, when i try to inherit product.product it shows me ana error: ProgrammingError: column product_product.name does not exist LINE 1: SELECT product_product."name",product_product."price",produc...

my code is: class cloud_meter(osv.osv): _name = 'cloud.meter' _inherit ="product.product" _columns = { 'name' : fields.char("Meter Name",size=64,required=True), 'unit': fields.selection((('image','image'),('instance','instance'), ('B','B'),('MB','MegaByte'),('GB','GegaByte'),('packets','packets'),('%','Percentage'),('vcpu','Nomber of VSCPUs'),('Network','network'),('IP','Ip adresses')),"Unit",required=True, select=True), 'price':fields.char("Price",size=64), 'type': fields.selection((('image','image'),('gauge','gauge'), ('cumulative','cumulative'),('delta','delta')),"Type",required=True, select=True), 'project':fields.many2one('res.partner','project'), 'ressource':fields.many2one('cloud.resource','ressource'), 'statistic':fields.one2many('cloud.statistic','meter',string='Statistics'), 'invoice_ids': fields.many2many( 'account.invoice', 'relation_table_invoice_meter', 'id_meter', 'id_invoice', string="Invoices" ),

}

_rec_name = 'name'

cloud_meter()