Warning: session_start(): open(/var/lib/php/sessions/sess_t6doauboj0tonenn3su7kvmftq, O_RDWR) failed: No space left on device (28) in /users/2018/i1858067/public_html/2019/webprog/ch14/lib.php on line 10

Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /users/2018/i1858067/public_html/2019/webprog/ch14/lib.php on line 10

Warning: Undefined array key "login_user_no" in /users/2018/i1858067/public_html/2019/webprog/ch14/update-form.php on line 4

Warning: Undefined array key "no" in /users/2018/i1858067/public_html/2019/webprog/ch14/update-form.php on line 4

Fatal error: Uncaught mysqli_sql_exception: No such file or directory in /users/2018/i1858067/public_html/2019/webprog/ch14/update-form.php:9 Stack trace: #0 /users/2018/i1858067/public_html/2019/webprog/ch14/update-form.php(9): mysqli_connect() #1 {main} thrown in /users/2018/i1858067/public_html/2019/webprog/ch14/update-form.php on line 9