diff --git a/app/Config/Autoload.php b/app/Config/Autoload.php
index 525acb3c..be0e2476 100755
--- a/app/Config/Autoload.php
+++ b/app/Config/Autoload.php
@@ -101,6 +101,6 @@ class Autoload extends AutoloadConfig
      * @phpstan-var list<string>
      */
     public $helpers = ['uuid','session','utility', 'form', 'url', 'oauth', 'fileupload',
-    'excel_import_export', 'file', 'drive','ExcelSanitizeHelper', 'api_helper','ExceptionHelper'
+    'excel_import_export', 'file', 'drive','ExcelSanitizeHelper', 'api_helper','exception'
 ];
 }
diff --git a/app/Controllers/ThzController.php b/app/Controllers/ThzController.php
index 0f8125b3..c1896be4 100644
--- a/app/Controllers/ThzController.php
+++ b/app/Controllers/ThzController.php
@@ -120,9 +120,8 @@ class ThzController extends BaseController
 
             if ($returnType === 'api') {
                 if (empty($tickets)) {
-                    //  return $this->response->setJSON([ 'status'  => 'error','message' => 'No tickets found'])->setStatusCode(404);
                     $this->myLogger->logme('error', 'empty tickets in ticket list: ' . json_encode($tickets));
-                    throw new \RuntimeException('No tickets found', 400);
+                    return $this->response->setJSON([ 'status'  => 'error','message' => 'No tickets found'])->setStatusCode(404);
                 }
             } else {
                 $data['ticket_data'] = $tickets;
diff --git a/app/Helpers/ExceptionHelper.php b/app/Helpers/exception_helper.php
similarity index 100%
rename from app/Helpers/ExceptionHelper.php
rename to app/Helpers/exception_helper.php