api model fix

addons/kosbar_erp_ext/models/sale_order.py

@@ -20,10 +20,13 @@ class SaleOrder(models.Model):
             order.name = seq.with_date(order.date_order or fields.Date.context_today(self)).next_by_code()
         return super().action_confirm()
 
-    @api.model
-    def create(self, vals):
-        """When creating a quotation (draft), use SQ sequence."""
+    @api.model_create_multi
+    def create(self, vals_list):
+        """When creating quotations (draft), use the SQ sequence."""
+        for vals in vals_list:
             if vals.get('state') == 'draft' and not vals.get('name'):
                 seq = self._get_quotation_sequence_id()
-            vals['name'] = seq.with_date(vals.get('date_order') or fields.Date.context_today(self)).next_by_code()
-        return super().create(vals)
+                vals['name'] = seq.with_date(
+                    vals.get('date_order') or fields.Date.context_today(self)
+                ).next_by_code()
+        return super().create(vals_list)