diff --git a/app/scodoc/sco_formation_recap.py b/app/scodoc/sco_formation_recap.py
index c940b76e..7717e4f9 100644
--- a/app/scodoc/sco_formation_recap.py
+++ b/app/scodoc/sco_formation_recap.py
@@ -28,13 +28,14 @@
 """Table recap formation (avec champs éditables)
 """
 import io
-from zipfile import ZipFile, BadZipfile
+from zipfile import ZipFile
 
 from flask import Response
 from flask import send_file, url_for
 from flask import g, request
 from flask_login import current_user
 
+from app import db
 from app.models import Formation, FormSemestre, Matiere, Module, UniteEns
 
 from app.scodoc.gen_tables import GenTable
diff --git a/app/scodoc/sco_formation_versions.py b/app/scodoc/sco_formation_versions.py
index 9cce0c3a..e4a5937e 100644
--- a/app/scodoc/sco_formation_versions.py
+++ b/app/scodoc/sco_formation_versions.py
@@ -200,7 +200,7 @@ def do_formsemestres_associate_new_version(
 
     # New formation:
     (
-        formation_id,
+        new_formation_id,
         modules_old2new,
         ues_old2new,
     ) = sco_formations.formation_create_new_version(formation_id, redirect=False)
@@ -219,7 +219,7 @@ def do_formsemestres_associate_new_version(
     # re-associate
     for formsemestre_id in formsemestre_ids:
         formsemestre = FormSemestre.get_formsemestre(formsemestre_id)
-        formsemestre.formation_id = formation_id
+        formsemestre.formation_id = new_formation_id
         db.session.add(formsemestre)
         _reassociate_moduleimpls(formsemestre, ues_old2new, modules_old2new)
 
@@ -246,8 +246,12 @@ def _reassociate_moduleimpls(
         Evaluation.moduleimpl_id == ModuleImpl.id,
         ModuleImpl.formsemestre_id == formsemestre.id,
     ):
-        poids.ue_id = ues_old2new[poids.ue_id]
-        db.session.add(poids)
+        if poids.ue_id in ues_old2new:
+            poids.ue_id = ues_old2new[poids.ue_id]
+            db.session.add(poids)
+        else:
+            # poids vers une UE qui n'est pas ou plus dans notre formation
+            db.session.delete(poids)
 
     # update decisions:
     for event in ScolarEvent.query.filter_by(formsemestre_id=formsemestre.id):
@@ -258,8 +262,9 @@ def _reassociate_moduleimpls(
     for validation in ScolarFormSemestreValidation.query.filter_by(
         formsemestre_id=formsemestre.id
     ):
-        if validation.ue_id is not None:
+        if (validation.ue_id is not None) and validation.ue_id in ues_old2new:
             validation.ue_id = ues_old2new[validation.ue_id]
+            # si l'UE n'est pas ou plus dans notre formation, laisse.
         db.session.add(validation)
 
     db.session.commit()
diff --git a/app/scodoc/sco_groups.py b/app/scodoc/sco_groups.py
index 932c014a..17b76f2c 100644
--- a/app/scodoc/sco_groups.py
+++ b/app/scodoc/sco_groups.py
@@ -241,7 +241,7 @@ def get_default_group(formsemestre_id, fix_if_missing=False):
         return group.id
     # debug check
     if len(r) != 1:
-        raise ScoException(f"invalid group structure for {formsemestre_id}")
+        log(f"invalid group structure for {formsemestre_id}: {len(r)}")
     group_id = r[0]["group_id"]
     return group_id
 
@@ -587,7 +587,7 @@ def XMLgetGroupsInPartition(partition_id):  # was XMLgetGroupesTD
         x_group = Element(
             "group",
             partition_id=str(partition_id),
-            partition_name=partition["partition_name"],
+            partition_name=partition["partition_name"] or "",
             groups_editable=str(int(partition["groups_editable"])),
             group_id="_none_",
             group_name="",
@@ -599,9 +599,9 @@ def XMLgetGroupsInPartition(partition_id):  # was XMLgetGroupesTD
                 Element(
                     "etud",
                     etudid=str(etud["etudid"]),
-                    sexe=etud["civilite_str"],
-                    nom=sco_etud.format_nom(etud["nom"]),
-                    prenom=sco_etud.format_prenom(etud["prenom"]),
+                    sexe=etud["civilite_str"] or "",
+                    nom=sco_etud.format_nom(etud["nom"] or ""),
+                    prenom=sco_etud.format_prenom(etud["prenom"] or ""),
                     origin=_comp_etud_origin(etud, formsemestre),
                 )
             )
diff --git a/sco_version.py b/sco_version.py
index 9ad23532..16850850 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,11 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
+<<<<<<< HEAD
 SCOVERSION = "9.6.0"
+=======
+SCOVERSION = "9.5.3"
+>>>>>>> 2c93c35aa7972b502ddbda69b35cb40773317647
 
 SCONAME = "ScoDoc"