https://stackoverflow.com/questions/4261133/notice-undefined-variable-notice-undefined-index-and-notice-undefined

I dont understand conflict security plugin in phalcon when I build two web in same server when login two web with error Undefined index: priviledgetype C:\inetpub\wwwroot\rdiqa\app\library\Elementsrdi.php:174

0 C:\inetpub\wwwroot\rdiqa\app\library\Elementsrdi.php(174): {closure}(8, 'Undefined index...', 'C:\inetpub\wwwr...', 174, Array)

1 C:\inetpub\wwwroot\rdiqa\cache\volt\c__inetpub_wwwroot_rdiqa_app_views_layouts_main.volt.php(130): Elementsrdi->getMenurdi()

2 [internal function]: unknown()

3 [internal function]: Phalcon\Mvc\View\Engine\Volt->render('C:\inetpub\wwwr...', Array, true)

4 [internal function]: Phalcon\Mvc\View->_engineRender(Array, 'layouts/main', false, true, NULL)

5 [internal function]: Phalcon\Mvc\View->render('errors', 'show500')

6 C:\inetpub\wwwroot\rdiqa\public\index.php(38): Phalcon\Mvc\Application->handle(NULL)

7 {main}

But another web don't have error How to slove it ?