diff -r 71a45642b3d2 -r b7b71be569cf web/views/editcontroller.py
--- a/web/views/editcontroller.py	Wed Jun 11 14:46:48 2014 +0200
+++ b/web/views/editcontroller.py	Fri May 02 14:26:14 2014 +0200
@@ -178,7 +178,7 @@
         form = req.form
         # so we're able to know the main entity from the repository side
         if '__maineid' in form:
-            req.set_shared_data('__maineid', form['__maineid'], txdata=True)
+            req.transaction_data['__maineid'] = form['__maineid']
         # no specific action, generic edition
         self._to_create = req.data['eidmap'] = {}
         # those two data variables are used to handle relation from/to entities