diff --git a/.manus/db/db-query-1765832673712.json b/.manus/db/db-query-1765832673712.json
new file mode 100644
index 0000000..24902d0
--- /dev/null
+++ b/.manus/db/db-query-1765832673712.json
@@ -0,0 +1,13 @@
+{
+  "query": "SHOW TABLES LIKE 'logsNotifications';",
+  "command": "mysql --batch --raw --column-names --default-character-set=utf8mb4 --host gateway02.us-east-1.prod.aws.tidbcloud.com --port 4000 --user 4CrrYuB5tme73Qo.root --database 7PAT67UmWoxv8vwp8Bbcv6 --execute SHOW TABLES LIKE 'logsNotifications';",
+  "rows": [
+    {
+      "Tables_in_7PAT67UmWoxv8vwp8Bbcv6 (logsNotifications)": "logsNotifications"
+    }
+  ],
+  "messages": [],
+  "stdout": "Tables_in_7PAT67UmWoxv8vwp8Bbcv6 (logsNotifications)\nlogsNotifications\n",
+  "stderr": "",
+  "execution_time_ms": 76
+}
\ No newline at end of file
diff --git a/.manus/db/db-query-1765832676914.json b/.manus/db/db-query-1765832676914.json
new file mode 100644
index 0000000..36611d9
--- /dev/null
+++ b/.manus/db/db-query-1765832676914.json
@@ -0,0 +1,106 @@
+{
+  "query": "DESCRIBE logsNotifications;",
+  "command": "mysql --batch --raw --column-names --default-character-set=utf8mb4 --host gateway02.us-east-1.prod.aws.tidbcloud.com --port 4000 --user 4CrrYuB5tme73Qo.root --database 7PAT67UmWoxv8vwp8Bbcv6 --execute DESCRIBE logsNotifications;",
+  "rows": [
+    {
+      "Field": "id",
+      "Type": "int(11)",
+      "Null": "NO",
+      "Key": "PRI",
+      "Default": "NULL",
+      "Extra": "auto_increment"
+    },
+    {
+      "Field": "type",
+      "Type": "enum('remerciement','notification_formateur_inscription','notification_formateur_annulation','alerte_capacite','notification_liste_attente')",
+      "Null": "NO",
+      "Key": "",
+      "Default": "NULL",
+      "Extra": ""
+    },
+    {
+      "Field": "sequenceId",
+      "Type": "int(11)",
+      "Null": "YES",
+      "Key": "",
+      "Default": "NULL",
+      "Extra": ""
+    },
+    {
+      "Field": "apprenantId",
+      "Type": "int(11)",
+      "Null": "YES",
+      "Key": "",
+      "Default": "NULL",
+      "Extra": ""
+    },
+    {
+      "Field": "formateurId",
+      "Type": "int(11)",
+      "Null": "YES",
+      "Key": "",
+      "Default": "NULL",
+      "Extra": ""
+    },
+    {
+      "Field": "emailDestinataire",
+      "Type": "varchar(320)",
+      "Null": "NO",
+      "Key": "",
+      "Default": "NULL",
+      "Extra": ""
+    },
+    {
+      "Field": "sujet",
+      "Type": "varchar(500)",
+      "Null": "NO",
+      "Key": "",
+      "Default": "NULL",
+      "Extra": ""
+    },
+    {
+      "Field": "dateEnvoi",
+      "Type": "timestamp",
+      "Null": "NO",
+      "Key": "",
+      "Default": "CURRENT_TIMESTAMP",
+      "Extra": ""
+    },
+    {
+      "Field": "statut",
+      "Type": "enum('success','failed')",
+      "Null": "NO",
+      "Key": "",
+      "Default": "NULL",
+      "Extra": ""
+    },
+    {
+      "Field": "messageErreur",
+      "Type": "text",
+      "Null": "YES",
+      "Key": "",
+      "Default": "NULL",
+      "Extra": ""
+    },
+    {
+      "Field": "metadata",
+      "Type": "text",
+      "Null": "YES",
+      "Key": "",
+      "Default": "NULL",
+      "Extra": ""
+    },
+    {
+      "Field": "createdAt",
+      "Type": "timestamp",
+      "Null": "NO",
+      "Key": "",
+      "Default": "CURRENT_TIMESTAMP",
+      "Extra": ""
+    }
+  ],
+  "messages": [],
+  "stdout": "Field\tType\tNull\tKey\tDefault\tExtra\nid\tint(11)\tNO\tPRI\tNULL\tauto_increment\ntype\tenum('remerciement','notification_formateur_inscription','notification_formateur_annulation','alerte_capacite','notification_liste_attente')\tNO\t\tNULL\t\nsequenceId\tint(11)\tYES\t\tNULL\t\napprenantId\tint(11)\tYES\t\tNULL\t\nformateurId\tint(11)\tYES\t\tNULL\t\nemailDestinataire\tvarchar(320)\tNO\t\tNULL\t\nsujet\tvarchar(500)\tNO\t\tNULL\t\ndateEnvoi\ttimestamp\tNO\t\tCURRENT_TIMESTAMP\t\nstatut\tenum('success','failed')\tNO\t\tNULL\t\nmessageErreur\ttext\tYES\t\tNULL\t\nmetadata\ttext\tYES\t\tNULL\t\ncreatedAt\ttimestamp\tNO\t\tCURRENT_TIMESTAMP\t\n",
+  "stderr": "",
+  "execution_time_ms": 51
+}
\ No newline at end of file
diff --git a/client/src/pages/admin/AdminNotifications.tsx b/client/src/pages/admin/AdminNotifications.tsx
index a1cb45d..79d82d1 100644
--- a/client/src/pages/admin/AdminNotifications.tsx
+++ b/client/src/pages/admin/AdminNotifications.tsx
@@ -63,7 +63,7 @@ export default function AdminNotifications() {
   const [page, setPage] = useState(0);
   const limit = 20;
 
-  const { data: historiqueData, isLoading: isLoadingHistorique, refetch } = trpc.notifications.historique.useQuery({
+  const { data: historiqueData, isLoading: isLoadingHistorique, refetch, error: historiqueError } = trpc.notifications.historique.useQuery({
     type: filters.type as any || undefined,
     statut: filters.statut as any || undefined,
     email: filters.email || undefined,
@@ -73,7 +73,7 @@ export default function AdminNotifications() {
     offset: page * limit,
   });
 
-  const { data: statsData, isLoading: isLoadingStats } = trpc.notifications.statistiques.useQuery({
+  const { data: statsData, isLoading: isLoadingStats, error: statsError } = trpc.notifications.statistiques.useQuery({
     dateDebut: filters.dateDebut || undefined,
     dateFin: filters.dateFin || undefined,
   });
@@ -129,6 +129,12 @@ export default function AdminNotifications() {
           <TabsContent value="statistiques" className="space-y-6">
             {isLoadingStats ? (
               <div className="text-center py-8 text-muted-foreground">Chargement...</div>
+            ) : statsError ? (
+              <div className="text-center py-8 text-red-500">
+                <AlertCircle className="h-8 w-8 mx-auto mb-2" />
+                <p>Erreur lors du chargement des statistiques</p>
+                <p className="text-sm text-muted-foreground mt-1">{statsError.message}</p>
+              </div>
             ) : statsData ? (
               <>
                 {/* Cartes de statistiques globales */}
@@ -378,6 +384,12 @@ export default function AdminNotifications() {
               <CardContent>
                 {isLoadingHistorique ? (
                   <div className="text-center py-8 text-muted-foreground">Chargement...</div>
+                ) : historiqueError ? (
+                  <div className="text-center py-8 text-red-500">
+                    <AlertCircle className="h-8 w-8 mx-auto mb-2" />
+                    <p>Erreur lors du chargement de l'historique</p>
+                    <p className="text-sm text-muted-foreground mt-1">{historiqueError.message}</p>
+                  </div>
                 ) : historiqueData?.logs.length === 0 ? (
                   <div className="text-center py-8 text-muted-foreground">
                     Aucune notification trouvée