diff --git a/app/scodoc/sco_bulletins.py b/app/scodoc/sco_bulletins.py
index 7d1859a2..0a88f648 100644
--- a/app/scodoc/sco_bulletins.py
+++ b/app/scodoc/sco_bulletins.py
@@ -136,7 +136,8 @@ def formsemestre_bulletinetud_dict(formsemestre_id, etudid, version="long"):
 
     prefs = sco_preferences.SemPreferences(formsemestre_id)
     nt = sco_cache.NotesTableCache.get(formsemestre_id)  # > toutes notes
-
+    if not nt.get_etud_etat(etudid):
+        raise ScoValueError("Etudiant non inscrit à ce semestre")
     I = scu.DictDefault(defaultvalue="")
     I["etudid"] = etudid
     I["formsemestre_id"] = formsemestre_id
@@ -774,8 +775,8 @@ def formsemestre_bulletinetud(
     except:
         sco_etud.log_unknown_etud()
         raise ScoValueError("étudiant inconnu")
-
-    sem = sco_formsemestre.get_formsemestre(formsemestre_id)
+    # API, donc erreurs admises en ScoValueError
+    sem = sco_formsemestre.get_formsemestre(formsemestre_id, raise_soft_exc=True)
 
     bulletin = do_formsemestre_bulletinetud(
         formsemestre_id,
diff --git a/app/scodoc/sco_edit_ue.py b/app/scodoc/sco_edit_ue.py
index a5509a28..dc1b4f84 100644
--- a/app/scodoc/sco_edit_ue.py
+++ b/app/scodoc/sco_edit_ue.py
@@ -845,6 +845,7 @@ def ue_sharing_code(ue_code=None, ue_id=None, hide_ue_id=None):
     """
     from app.scodoc import sco_formations
 
+    ue_code = str(ue_code)
     if ue_id:
         ue = do_ue_list(args={"ue_id": ue_id})[0]
         if not ue_code:
diff --git a/app/scodoc/sco_formsemestre.py b/app/scodoc/sco_formsemestre.py
index 40355120..2cb9d677 100644
--- a/app/scodoc/sco_formsemestre.py
+++ b/app/scodoc/sco_formsemestre.py
@@ -93,16 +93,18 @@ _formsemestreEditor = ndb.EditableTable(
 )
 
 
-def get_formsemestre(formsemestre_id):
+def get_formsemestre(formsemestre_id, raise_soft_exc=False):
     "list ONE formsemestre"
     if not isinstance(formsemestre_id, int):
         raise ValueError("formsemestre_id must be an integer !")
-    try:
-        sem = do_formsemestre_list(args={"formsemestre_id": formsemestre_id})[0]
-        return sem
-    except:
+    sems = do_formsemestre_list(args={"formsemestre_id": formsemestre_id})
+    if not sems:
         log("get_formsemestre: invalid formsemestre_id (%s)" % formsemestre_id)
-        raise
+        if raise_soft_exc:
+            raise ScoValueError(f"semestre {formsemestre_id} inconnu !")
+        else:
+            raise ValueError(f"semestre {formsemestre_id} inconnu !")
+    return sems[0]
 
 
 def do_formsemestre_list(*a, **kw):
diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index e85fd4a3..fe8decb0 100644
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -505,15 +505,29 @@ def formsemestre_page_title():
 
     fill_formsemestre(sem)
 
-    H = [
-        """<div class="formsemestre_page_title">""",
-        """<div class="infos">
-<span class="semtitle"><a class="stdlink" title="%(session_id)s" href="%(notes_url)s/formsemestre_status?formsemestre_id=%(formsemestre_id)s">%(titre)s</a><a title="%(etape_apo_str)s">%(num_sem)s</a>%(modalitestr)s</span><span class="dates"><a title="du %(date_debut)s au %(date_fin)s ">%(mois_debut)s - %(mois_fin)s</a></span><span class="resp"><a title="%(nomcomplet)s">%(resp)s</a></span><span class="nbinscrits"><a class="discretelink" href="%(notes_url)s/formsemestre_lists?formsemestre_id=%(formsemestre_id)s">%(nbinscrits)d inscrits</a></span><span class="lock">%(locklink)s</span><span class="eye">%(eyelink)s</span></div>"""
-        % sem,
-        formsemestre_status_menubar(sem),
-        """</div>""",
-    ]
-    return "\n".join(H)
+    h = f"""<div class="formsemestre_page_title">
+    <div class="infos">
+        <span class="semtitle"><a class="stdlink" title="%(session_id)s"
+        href="{url_for('notes.formsemestre_status', 
+            scodoc_dept=g.scodoc_dept, formsemestre_id=sem['formsemestre_id'])}"
+        >{sem['titre']}</a><a
+        title="{sem['etape_apo_str']}">{sem['num_sem']}</a>{sem['modalitestr']}</span><span
+        class="dates"><a 
+        title="du {sem['date_debut']} au {sem['date_fin']} "
+        >{sem['mois_debut']} - {sem['mois_fin']}</a></span><span 
+        class="resp"><a title="{sem['nomcomplet']}">{sem['resp']}</a></span><span 
+        class="nbinscrits"><a class="discretelink" 
+        href="{url_for("scolar.groups_view", 
+            scodoc_dept=g.scodoc_dept, formsemestre_id=sem['formsemestre_id'])}"
+        >{sem['nbinscrits']} inscrits</a></span><span 
+        class="lock">{sem['locklink']}</span><span 
+        class="eye">{sem['eyelink']}</span>
+    </div>
+    {formsemestre_status_menubar(sem)}
+    </div>
+    """
+
+    return h
 
 
 def fill_formsemestre(sem):
@@ -967,7 +981,7 @@ def formsemestre_status(formsemestre_id=None):
     """Tableau de bord semestre HTML"""
     # porté du DTML
     cnx = ndb.GetDBConnexion()
-    sem = sco_formsemestre.get_formsemestre(formsemestre_id)
+    sem = sco_formsemestre.get_formsemestre(formsemestre_id, raise_soft_exc=True)
     Mlist = sco_moduleimpl.do_moduleimpl_withmodule_list(
         formsemestre_id=formsemestre_id
     )