diff --git a/app/models/notes.py b/app/models/notes.py
index 0f82e2865..04ceb1c0f 100644
--- a/app/models/notes.py
+++ b/app/models/notes.py
@@ -56,7 +56,7 @@ class NotesNotes(db.Model):
         "pour debug"
         from app.models.evaluations import Evaluation
 
-        return f"""<{self.__class__.__name__} {self.id} v={self.value} {self.date.isoformat()
+        return f"""<{self.__class__.__name__} {self.id} etudid={self.etudid} v={self.value} {self.date.isoformat()
             } {Evaluation.query.get(self.evaluation_id) if self.evaluation_id else "X" }>"""
 
 
diff --git a/app/scodoc/sco_saisie_notes.py b/app/scodoc/sco_saisie_notes.py
index 6c470777e..594ee20b5 100644
--- a/app/scodoc/sco_saisie_notes.py
+++ b/app/scodoc/sco_saisie_notes.py
@@ -583,8 +583,12 @@ def notes_add(
                             existing_note = NotesNotes.query.filter_by(
                                 evaluation_id=evaluation_id, etudid=etudid
                             ).first()
+                            sco_cache.EvaluationCache.delete(evaluation_id)
+                            notes_db = sco_evaluation_db.do_evaluation_get_all_notes(
+                                evaluation_id
+                            )
                             raise ScoBugCatcher(
-                                f"dup: existing={existing_note} value={value}"
+                                f"dup: existing={existing_note} etudid={repr(etudid)} value={value} in_db={etudid in notes_db}"
                             ) from exc
                     changed = True
             else:
diff --git a/app/static/js/saisie_notes.js b/app/static/js/saisie_notes.js
index 0936b3d7a..208368ca8 100644
--- a/app/static/js/saisie_notes.js
+++ b/app/static/js/saisie_notes.js
@@ -51,6 +51,7 @@ function save_note(elem, v, etudid) {
             'comment': document.getElementById('formnotes_comment').value
         },
         function (result) {
+            $('#sco_msg').hide();
             if (result['nbchanged'] > 0) {
                 sco_message("enregistré");
                 elem.className = "note_saved";
diff --git a/sco_version.py b/sco_version.py
index 9f0f321e4..5043b4d8e 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.4.78"
+SCOVERSION = "9.4.79"
 
 SCONAME = "ScoDoc"