INSERT INTO `i2151021_members` (`ac_userid_PK`, `id`, `password`, `username`, `birthyear`, `age`, `email_id`, `phone`, `photo_num`) VALUES (NULL, 'info', md5('info'), '이경준', '2002', '20', 'info@ansan.ac.kr', '+024006971', NULL);
Fatal error: Uncaught mysqli_sql_exception: Unknown column 'ac_userid_PK' in 'INSERT INTO' in /users/2021/i2151021/public_html/2022/WebDB/myTable.php:9 Stack trace: #0 /users/2021/i2151021/public_html/2022/WebDB/myTable.php(9): mysqli_query() #1 {main} thrown in /users/2021/i2151021/public_html/2022/WebDB/myTable.php on line 9