Fatal error: Uncaught PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'testuser1' for key 'username' in /var/www/html/marketing_site/tmp/create_user.php:30 Stack trace: #0 /var/www/html/marketing_site/tmp/create_user.php(30): PDOStatement->execute() #1 {main} thrown in /var/www/html/marketing_site/tmp/create_user.php on line 30