diff --git a/src/worker/director.rs b/src/worker/director.rs
index 955a261..f10706a 100644
--- a/src/worker/director.rs
+++ b/src/worker/director.rs
@@ -1152,6 +1152,56 @@ impl DirectorWorker {
         source_region: i32,
         target_region: i32,
     ) -> Result<Vec<TransportVehicle>, DbError> {
+        // Debug: Prüfe zuerst, ob Fahrzeuge in der Quellregion existieren
+        const QUERY_COUNT_VEHICLES_IN_REGION: &str = r#"
+            SELECT COUNT(*) AS count
+            FROM falukant_data.vehicle v
+            WHERE v.falukant_user_id = $1
+              AND v.region_id = $2;
+        "#;
+        
+        conn.prepare("count_vehicles_in_region", QUERY_COUNT_VEHICLES_IN_REGION)?;
+        let vehicle_count_rows = conn.execute(
+            "count_vehicles_in_region",
+            &[&falukant_user_id, &source_region],
+        )?;
+        
+        let vehicle_count = vehicle_count_rows
+            .into_iter()
+            .next()
+            .and_then(|row| row.get("count").and_then(|v| v.parse::<i32>().ok()))
+            .unwrap_or(0);
+        
+        eprintln!(
+            "[DirectorWorker] Fahrzeuge in Region {} für User {}: {}",
+            source_region, falukant_user_id, vehicle_count
+        );
+        
+        // Debug: Prüfe, ob eine Route existiert
+        const QUERY_CHECK_ROUTE: &str = r#"
+            SELECT COUNT(*) AS count
+            FROM falukant_data.region_distance rd
+            WHERE (rd.source_region_id = $1 AND rd.target_region_id = $2)
+               OR (rd.source_region_id = $2 AND rd.target_region_id = $1);
+        "#;
+        
+        conn.prepare("check_route", QUERY_CHECK_ROUTE)?;
+        let route_rows = conn.execute(
+            "check_route",
+            &[&source_region, &target_region],
+        )?;
+        
+        let route_exists = route_rows
+            .into_iter()
+            .next()
+            .and_then(|row| row.get("count").and_then(|v| v.parse::<i32>().ok()))
+            .unwrap_or(0) > 0;
+        
+        eprintln!(
+            "[DirectorWorker] Route von Region {} nach Region {} existiert: {}",
+            source_region, target_region, route_exists
+        );
+        
         conn.prepare(
             "get_transport_vehicles_for_route",
             QUERY_GET_TRANSPORT_VEHICLES_FOR_ROUTE,
@@ -1177,6 +1227,11 @@ impl DirectorWorker {
             }
         }
 
+        eprintln!(
+            "[DirectorWorker] Gefundene Transportmittel für Route {} -> {}: {}",
+            source_region, target_region, result.len()
+        );
+
         Ok(result)
     }