email; $total_no_orders=$DBI->get_result("select * from product_session_retail where username='$user'"); $count_of_orders=count($total_no_orders); } $result =$DBI->get_result("select * from personal_details"); // $email_id = $result['0']['email']; $contact_id = $result['0']['contact']; $operating_days = $result['0']['operating_days']; $opersting_timings = $result['0']['operating_timings']; ?> Welcome to <br /> <b>Fatal error</b>: Uncaught Error: Undefined constant "DISPLAY_NAME" in /home/u287690153/domains/southasiaartisans.com/public_html/retail/header.php:26 Stack trace: #0 /home/u287690153/domains/southasiaartisans.com/public_html/retail/shopping_list.php(2): include() #1 {main} thrown in <b>/home/u287690153/domains/southasiaartisans.com/public_html/retail/header.php</b> on line <b>26</b><br />