Fatal error: Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/zvj88ego2erq/public_html/print.php:20 Stack trace: #0 /home/zvj88ego2erq/public_html/print.php(20): mysqli_fetch_assoc() #1 {main} thrown in /home/zvj88ego2erq/public_html/print.php on line 20