diff --git a/plm/models/ir_attachment.py b/plm/models/ir_attachment.py
index 3c7f3ca0..6e93fec2 100755
--- a/plm/models/ir_attachment.py
+++ b/plm/models/ir_attachment.py
@@ -3253,7 +3253,11 @@ def GetCloneDocumentValues(self, args):
                                                                    new_product_attrs)
         else:
             #
-            out_attachment_value['engineering_code'] = f"{new_product_attrs['engineering_code']}-{self.env['ir.sequence'].next_by_code('ir.attachment.progress')}"
+            engineering_code = new_product_attrs.get('engineering_code','')
+            if engineering_code:
+                out_attachment_value['engineering_code'] = f"{engineering_code}-{self.env['ir.sequence'].next_by_code('ir.attachment.progress')}"
+            else:
+                out_attachment_value['engineering_code'] = f"{self.env['ir.sequence'].next_by_code('ir.attachment.progress')}"
             out_attachment_value['engineering_revision']=0
             #
             _, exte = os.path.splitext(out_attachment_value['name'])
diff --git a/plm/models/product_product.py b/plm/models/product_product.py
index 75925725..8feaeae3 100755
--- a/plm/models/product_product.py
+++ b/plm/models/product_product.py
@@ -1754,6 +1754,11 @@ def open_template(self):
                 'domain': [('id', '=', self.product_tmpl_id.id)],
                 'context': {}}
 
+    @api.model
+    def getUuid(self):
+        param = self.env['ir.config_parameter'].sudo()
+        return param.get_param('database.uuid')
+
     @api.model
     def createFromProps(self, productAttribute):
         out_product_produc_id = self.env['product.product']