diff --git a/product/ERP5Type/CopySupport.py b/product/ERP5Type/CopySupport.py
index 1e0e67711b74c58438f9ba15ca7f7b363b4016d0..578d732dd75604a6904e382c31798eff48fe5ae2 100755
--- a/product/ERP5Type/CopySupport.py
+++ b/product/ERP5Type/CopySupport.py
@@ -17,6 +17,7 @@ from AccessControl import ClassSecurityInfo
 from OFS.ObjectManager import ObjectManager
 from OFS.CopySupport import CopyContainer as OriginalCopyContainer
 from OFS.CopySupport import CopyError
+from OFS.CopySupport import eNotSupported
 from OFS.CopySupport import _cb_encode, _cb_decode, cookie_path, absattr
 from Products.ERP5Type import Permissions
 from Products.CMFCore.CMFCatalogAware import CMFCatalogAware