Fatal error: Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in C:\xampp\htdocs\wiki\data_table\monster_data.php:453 Stack trace: #0 C:\xampp\htdocs\wiki\data_table\monster_data.php(453): mysqli_fetch_assoc(false) #1 {main} thrown in C:\xampp\htdocs\wiki\data_table\monster_data.php on line 453