don't panic :-)

src/station/routes.rs

@@ -21,15 +21,25 @@ async fn create(
     session: Session,
     Form(form): Form<CreateForm>,
 ) -> impl IntoResponse {
-    Station::create(&db, &form.name).await.unwrap();
+    match Station::create(&db, &form.name).await{
-
+Ok(_) => 
     session
         .insert(
             "succ",
             &format!("Station '{}' erfolgreich erstellt!", form.name),
         )
         .await
-        .unwrap();
+        .unwrap(),
+    Err(e) => 
+    session
+        .insert(
+            "err",
+            &format!("Station '{}' konnte _NICHT_ erstellt werden, da es bereits eine Station mit diesem Namen gibt ({e})!", form.name),
+        )
+        .await
+        .unwrap(),
+
+    }
 
     Redirect::to("/station")
 }
@@ -70,14 +80,23 @@ async fn index(State(db): State<Arc<SqlitePool>>, session: Session) -> Markup {
     let stations = Station::all(&db).await;
 
     // Get and clear flash message
-    let flash_message = session.get::<String>("succ").await.unwrap_or(None);
+    let succ_msg = session.get::<String>("succ").await.unwrap_or(None);
-    if flash_message.is_some() {
+    if succ_msg.is_some() {
         session.remove::<String>("succ").await.unwrap();
     }
+    let err_msg = session.get::<String>("err").await.unwrap_or(None);
+    if err_msg.is_some() {
+        session.remove::<String>("err").await.unwrap();
+    }
 
     html! {
         h1 { "Stationen" }
-        @if let Some(message) = flash_message {
+        @if let Some(message) = succ_msg {
+            div class="alert alert-success" {
+                (message)
+            }
+        }
+        @if let Some(message) = err_msg {
             div class="alert alert-success" {
                 (message)
             }