접속 성공<br><br />
<b>Fatal error</b>:  Uncaught mysqli_sql_exception: Duplicate entry 'jsyu' for key 'mem_id' in /users/2022/i2251006/public_html/WebDB/06/insert.php:20
Stack trace:
#0 /users/2022/i2251006/public_html/WebDB/06/insert.php(20): mysqli_query()
#1 {main}
  thrown in <b>/users/2022/i2251006/public_html/WebDB/06/insert.php</b> on line <b>20</b><br />