diff --git a/app/models/etudiants.py b/app/models/etudiants.py
index 3aacb66a..b1fec609 100644
--- a/app/models/etudiants.py
+++ b/app/models/etudiants.py
@@ -302,22 +302,46 @@ class Identite(db.Model):
                 else:
                     date_ins = events[0].event_date
                     situation += date_ins.strftime(" le %d/%m/%Y")
+            elif inscr.etat == scu.DEF:
+                situation = f"défaillant en {inscr.formsemestre.titre_mois()}"
+                event = (
+                    models.ScolarEvent.query.filter_by(
+                        etudid=self.id,
+                        formsemestre_id=inscr.formsemestre.id,
+                        event_type="DEFAILLANCE",
+                    )
+                    .order_by(models.ScolarEvent.event_date)
+                    .first()
+                )
+                if not event:
+                    log(
+                        f"*** situation inconsistante pour {self} (def mais pas d'event)"
+                    )
+                    situation += "???"  # ???
+                else:
+                    date_def = event.event_date
+                    situation += date_def.strftime(" le %d/%m/%Y")
+
             else:
                 situation = f"démission de {inscr.formsemestre.titre_mois()}"
                 # Cherche la date de demission dans scolar_events:
-                events = models.ScolarEvent.query.filter_by(
-                    etudid=self.id,
-                    formsemestre_id=inscr.formsemestre.id,
-                    event_type="DEMISSION",
-                ).all()
-                if not events:
+                event = (
+                    models.ScolarEvent.query.filter_by(
+                        etudid=self.id,
+                        formsemestre_id=inscr.formsemestre.id,
+                        event_type="DEMISSION",
+                    )
+                    .order_by(models.ScolarEvent.event_date)
+                    .first()
+                )
+                if not event:
                     log(
                         f"*** situation inconsistante pour {self} (demission mais pas d'event)"
                     )
-                    date_dem = "???"  # ???
+                    situation += "???"  # ???
                 else:
-                    date_dem = events[0].event_date
-                situation += date_dem.strftime(" le %d/%m/%Y")
+                    date_dem = event.event_date
+                    situation += date_dem.strftime(" le %d/%m/%Y")
         else:
             situation = "non inscrit" + self.e
 
diff --git a/app/scodoc/sco_formsemestre.py b/app/scodoc/sco_formsemestre.py
index 98fc64a2..11792057 100644
--- a/app/scodoc/sco_formsemestre.py
+++ b/app/scodoc/sco_formsemestre.py
@@ -95,9 +95,12 @@ _formsemestreEditor = ndb.EditableTable(
 
 def get_formsemestre(formsemestre_id, raise_soft_exc=False):
     "list ONE formsemestre"
+    if formsemestre_id is None:
+        raise ValueError(f"get_formsemestre: id manquant")
     if formsemestre_id in g.stored_get_formsemestre:
         return g.stored_get_formsemestre[formsemestre_id]
     if not isinstance(formsemestre_id, int):
+        log(f"get_formsemestre: invalid id '{formsemestre_id}'")
         raise ScoInvalidIdType("formsemestre_id must be an integer !")
     sems = do_formsemestre_list(args={"formsemestre_id": formsemestre_id})
     if not sems:
diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index 98c67431..299318ed 100644
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -966,6 +966,7 @@ Il y a des notes en attente ! Le classement des étudiants n'a qu'une valeur ind
 def formsemestre_status(formsemestre_id=None):
     """Tableau de bord semestre HTML"""
     # porté du DTML
+
     sem = sco_formsemestre.get_formsemestre(formsemestre_id, raise_soft_exc=True)
     modimpls = sco_moduleimpl.moduleimpl_withmodule_list(
         formsemestre_id=formsemestre_id
@@ -987,7 +988,9 @@ def formsemestre_status(formsemestre_id=None):
     use_ue_coefs = sco_preferences.get_preference("use_ue_coefs", formsemestre_id)
 
     H = [
-        html_sco_header.sco_header(page_title="Semestre %s" % sem["titreannee"]),
+        html_sco_header.sco_header(
+            page_title=f"{formsemestre.sem_modalite()} {formsemestre.titre_annee()}"
+        ),
         '<div class="formsemestre_status">',
         formsemestre_status_head(
             formsemestre_id=formsemestre_id, page_title="Tableau de bord"
diff --git a/app/templates/sco_value_error.html b/app/templates/sco_value_error.html
index 8a54f619..524f4d88 100644
--- a/app/templates/sco_value_error.html
+++ b/app/templates/sco_value_error.html
@@ -1,6 +1,5 @@
 {# -*- mode: jinja-html -*- #}
 {% extends 'base.html' %}
-{% import 'bootstrap/wtf.html' as wtf %}
 
 {% block app_content %}
 
diff --git a/app/views/notes.py b/app/views/notes.py
index 061055f8..d6c6e1b0 100644
--- a/app/views/notes.py
+++ b/app/views/notes.py
@@ -290,10 +290,9 @@ def formsemestre_bulletinetud(
     code_ine=None,
 ):
     format = format or "html"
-    if not formsemestre_id:
-        flask.abort(404, "argument manquant: formsemestre_id")
+
     if not isinstance(formsemestre_id, int):
-        raise ScoInvalidIdType("formsemestre_id must be an integer !")
+        raise ValueError("formsemestre_id must be an integer !")
     formsemestre = FormSemestre.query.get_or_404(formsemestre_id)
     if etudid:
         etud = models.Identite.query.get_or_404(etudid)
diff --git a/sco_version.py b/sco_version.py
index a8d3aae1..24931a73 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.2.6"
+SCOVERSION = "9.2.7"
 
 SCONAME = "ScoDoc"