Fatal error: Uncaught mysqli_sql_exception: Duplicate entry '11' for key 'PRIMARY' in /users/2022/i2251029/public_html/WebDB/06/insert.php:17 Stack trace: #0 /users/2022/i2251029/public_html/WebDB/06/insert.php(17): mysqli_query() #1 {main} thrown in /users/2022/i2251029/public_html/WebDB/06/insert.php on line 17