Notice: Use of undefined constant submit - assumed 'submit' in C:\xampp\htdocs\application\submit-admin-technical-formold.php on line 2

Notice: Use of undefined constant preview - assumed 'preview' in C:\xampp\htdocs\application\submit-admin-technical-formold.php on line 10

Notice: Undefined variable: error in C:\xampp\htdocs\application\submit-admin-technical-formold.php on line 17