diff --git a/services/nginx/app/objects/orders_o.php b/services/nginx/app/objects/orders_o.php
index 8baac0fc..af88f8cf 100644
--- a/services/nginx/app/objects/orders_o.php
+++ b/services/nginx/app/objects/orders_o.php
@@ -1069,6 +1069,10 @@ class orders_o extends db
         }
         $orders = [];
         while ($row = $result->fetch_assoc()) {
+            if (empty($row['reg_1'])) {
+                continue; // Skip orders without a registration number
+            }
+            // Prepare the order data
             $tmp = [
                 'id' => (int)$row['id'],
                 'reg_1' => (string)$row['reg_1'],
@@ -1201,8 +1205,13 @@ class orders_o extends db
         if ($department_id <= 0) {
             throw new Exception('Invalid department ID provided');
         }
+        if (empty($reg_1)) {
+            return []; // No registration number provided, return empty array
+        }
         // Select the unique order ids that match the registration numbers and department ID within the 24 hour range
-        $sql = "SELECT id FROM $this->table WHERE (reg_1 = '$reg_1' AND reg_2 = '$reg_2' AND reg_3 = '$reg_3') AND department_id = $department_id AND created_at BETWEEN '$created_at_from' AND '$created_at_to' AND deleted_at IS NULL";
+        $sql = "SELECT id FROM $this->table WHERE (reg_1 = '$reg_1') AND department_id = $department_id AND created_at BETWEEN '$created_at_from' AND '$created_at_to' AND deleted_at IS NULL";
+
+        //$sql = "SELECT id FROM $this->table WHERE (reg_1 = '$reg_1' AND reg_2 = '$reg_2' AND reg_3 = '$reg_3') AND department_id = $department_id AND created_at BETWEEN '$created_at_from' AND '$created_at_to' AND deleted_at IS NULL";
         // Execute the query
         $result = $db->query($sql);
         if ($result->num_rows === 0) {