diff --git a/app/models/formations.py b/app/models/formations.py
index dd809500be..8c52dff22f 100644
--- a/app/models/formations.py
+++ b/app/models/formations.py
@@ -51,7 +51,9 @@ class Formation(db.Model):
     )
     ues = db.relationship("UniteEns", backref="formation", lazy="dynamic")
     formsemestres = db.relationship("FormSemestre", lazy="dynamic", backref="formation")
-    ues = db.relationship("UniteEns", lazy="dynamic", backref="formation")
+    ues = db.relationship(
+        "UniteEns", lazy="dynamic", backref="formation", order_by="UniteEns.numero"
+    )
     modules = db.relationship("Module", lazy="dynamic", backref="formation")
 
     def __repr__(self):
diff --git a/app/models/ues.py b/app/models/ues.py
index 96074bdb9f..588913ddde 100644
--- a/app/models/ues.py
+++ b/app/models/ues.py
@@ -276,7 +276,8 @@ class UniteEns(db.Model):
                 ues_meme_niveau = [
                     ue
                     for ue in parcour.ues
-                    if ue.formation_id == self.formation_id
+                    if ue.id != self.id
+                    and ue.formation_id == self.formation_id
                     and ue.niveau_competence_id == niveau.id
                 ]
             if ues_meme_niveau:
@@ -295,8 +296,9 @@ class UniteEns(db.Model):
                     2 * (self.semestre_idx % 2) - 1
                 )
                 if ues_meme_niveau[0].semestre_idx != other_semestre_idx:
-                    msg = f"""Niveau "{
-                            niveau.libelle}" associé à une autre année du {msg_parc}"""
+                    msg = f"""Erreur: niveau "{
+                            niveau.libelle}" déjà associé à une autre UE du semestre S{
+                                ues_meme_niveau[0].semestre_idx} du {msg_parc}"""
                     log(
                         f"check_niveau_unique_dans_parcours(niveau_id={niveau.id}): "
                         + msg
diff --git a/app/static/css/parcour_formation.css b/app/static/css/parcour_formation.css
index bee6b6a199..b15e2f71e8 100644
--- a/app/static/css/parcour_formation.css
+++ b/app/static/css/parcour_formation.css
@@ -37,6 +37,7 @@ div.les_parcours>div.parc>a:visited {
 .parcour_formation {
     margin-left: 16px;
     margin-right: 16px;
+    margin-bottom: 16px;
     min-width: 1200px;
     max-width: 1600px;
 }
@@ -119,6 +120,7 @@ span.parc {
     font-weight: bold;
     /* color: rgb(92, 87, 255); */
     color: white;
+    margin-right: 8px;
     padding: 4px;
     background-color: #09c;
     border-radius: 4px;
diff --git a/app/static/css/scodoc.css b/app/static/css/scodoc.css
index 0648fa523f..e6bf3160ee 100644
--- a/app/static/css/scodoc.css
+++ b/app/static/css/scodoc.css
@@ -223,7 +223,7 @@ div.head_message {
   color: green;
 }
 
-.message_curtom {
+.message_custom {
   position: fixed;
   bottom: 100%;
   left: 50%;
@@ -237,6 +237,18 @@ div.head_message {
   transform: translate(-50%, 0);
 }
 
+div.message_error {
+  position: fixed;
+  top: 16px;
+  left: 50%;
+  transform: translateX(-50%);
+  z-index: 10;
+  padding: 20px;
+  border-radius: 10px 10px 10px 10px;
+  background: rgb(212, 0, 0);
+  color: #ffffff;
+  font-size: 24px;
+}
 
 div.passwd_warn {
   font-weight: bold;
@@ -2318,11 +2330,12 @@ span.notes_module_list_buts {
 div.formation_parcs {
   display: inline-flex;
   margin-left: 8px;
+  margin-right: 8px;
+  column-gap: 8px;
 }
 
 div.formation_parcs>div {
   font-size: 100%;
-  margin-left: 8px;
   color: white;
   background-color: #09c;
   opacity: 0.7;
diff --git a/app/static/js/edit_ue.js b/app/static/js/edit_ue.js
index b1d8bddbb5..488d5ea940 100644
--- a/app/static/js/edit_ue.js
+++ b/app/static/js/edit_ue.js
@@ -53,7 +53,9 @@ function set_ue_parcour(checkbox) {
     })
         .then(response => response.json())
         .then(data => {
-            if (data.status) {
+            if (data.status == 404) {
+                sco_error_message(data.message);
+            } else {
                 sco_message(data.message);
             }
         });
diff --git a/app/static/js/scodoc.js b/app/static/js/scodoc.js
index 40ada69dd8..f5b9c995a7 100644
--- a/app/static/js/scodoc.js
+++ b/app/static/js/scodoc.js
@@ -67,17 +67,22 @@ $(function () {
     }
 });
 
-// Affiche un message transitoire
-function sco_message(msg) {
+// Affiche un message transitoire (duration milliseconds, 0 means infinity)
+function sco_message(msg, className = "message_custom", duration = 0) {
     var div = document.createElement("div");
-    div.className = "message_curtom";
+    div.className = className;
     div.innerHTML = msg;
     document.querySelector("body").appendChild(div);
-    setTimeout(() => {
-        div.remove();
-    }, 3000);
+    if (duration) {
+        setTimeout(() => {
+            div.remove();
+        }, 3000);
+    }
 }
 
+function sco_error_message(msg) {
+    sco_message(msg, className = "message_error", duration = 0);
+}
 
 
 function get_query_args() {
diff --git a/app/templates/base.j2 b/app/templates/base.j2
index a496c4c51f..542a161cf8 100644
--- a/app/templates/base.j2
+++ b/app/templates/base.j2
@@ -64,9 +64,13 @@
 {% block content %}
 <div class="container flashes">
     {% include "flashed_messages.j2" %}
-    {# application content needs to be provided in the app_content block #}
+</div>
+
+{# application content needs to be provided in the app_content block #}
+<div class="container">
     {% block app_content %}{% endblock %}
 </div>
+
 <script>
     setTimeout(function() {
         var flashes = document.getElementsByClassName("flashes")[0];
diff --git a/app/templates/but/parcour_formation.j2 b/app/templates/but/parcour_formation.j2
index 496448ddff..f128c05243 100644
--- a/app/templates/but/parcour_formation.j2
+++ b/app/templates/but/parcour_formation.j2
@@ -86,7 +86,6 @@
         <div class="niveau comp-c{{color_idx}}-{{annee}}" 
             style="--color: var(--col-c{{color_idx}}-{{annee}});">
             <div class="titre_niveau n{{annee}}">
-                {{niv['niveau'].libelle if niv['niveau'] else ''}}
                 <span class="parcs">
                 {% if niv['niveau'].is_tronc_commun %}
                     <span class="parc">TC</span>
@@ -99,6 +98,7 @@
                     </span>
                 {% endif %}
                 </span>
+                {{niv['niveau'].libelle if niv['niveau'] else ''}}
             </div>
             <div class="ue impair u{{annee}}1">
                 {{ menu_ue(niv, "impair", 2*annee-1) }}
diff --git a/app/templates/pn/form_ues.j2 b/app/templates/pn/form_ues.j2
index 1bbfdc63c3..e64477e341 100644
--- a/app/templates/pn/form_ues.j2
+++ b/app/templates/pn/form_ues.j2
@@ -58,7 +58,13 @@
                     </span>
 
                 </span>
-
+                {% if ue.type != codes_cursus.UE_SPORT %}
+                <div class="formation_parcs">
+                            {% for parc in ue.parcours %}
+                                <div>{{ parc.code }}</div>
+                            {% endfor %}
+                </div>
+                {% endif %}
                 {% if editable and not ue.is_locked() %}
                 <a class="stdlink" href="{{ url_for('notes.ue_edit', 
                         scodoc_dept=g.scodoc_dept, ue_id=ue.id)
@@ -80,13 +86,8 @@
                         <a class="stdlink" href="{{
                             url_for('notes.parcour_formation', scodoc_dept=g.scodoc_dept,
                                 formation_id=formation.id )
-                        }}">modifier</a>
+                        }}">modifier associations</a>
                     {% endif %}
-                        <div class="formation_parcs">
-                            {% for parc in ue.parcours %}
-                                <div>{{ parc.code }}</div>
-                            {% endfor %}
-                        </div>
                     </div>
                 {% endif %}
 
diff --git a/tests/ressources/yaml/cursus_but_info.yaml b/tests/ressources/yaml/cursus_but_info.yaml
index 165b183815..473014e183 100644
--- a/tests/ressources/yaml/cursus_but_info.yaml
+++ b/tests/ressources/yaml/cursus_but_info.yaml
@@ -1,6 +1,6 @@
 # Tests unitaires 
 # Le BUT Info a 4 parcours qui partagent certains niveaux de compétences
-# mais à ce sniveaux sont asscoiés des UEs dont les coefficients des ressources
+# mais à ces niveaux sont associés des UEs dont les coefficients des ressources
 # varient selon le parcours.
 #