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Fatal error: Uncaught mysqli_sql_exception: Incorrect integer value: '' for column 'prof_num' at row 1 in /var/www/html/scripts/new_prof/update_id.php:22 Stack trace: #0 /var/www/html/scripts/new_prof/update_id.php(22): mysqli->query() #1 {main} thrown in /var/www/html/scripts/new_prof/update_id.php on line 22