Fatal error: Uncaught mysqli_sql_exception: Duplicate entry 'BlazeSmt' for key 'users.username' in /home/smit3545/public_html/infost440/assignment7part5/insert.php:7 Stack trace: #0 /home/smit3545/public_html/infost440/assignment7part5/insert.php(7): mysqli_query(Object(mysqli), 'INSERT INTO use...') #1 {main} thrown in /home/smit3545/public_html/infost440/assignment7part5/insert.php on line 7