Как исправить warning: mysqli_fetch_assoc() expects parameter 1 to be mysqli_result?

Не понимаю в чём ошибка,  "Warning: mysqli_fetch_assoc() expects parameter 1 to be mysqli_result, bool given in C:\xampp\htdocs\kinomonster\player.php on line 13"?

<?php
  
   $mysqli = new mysqli('localhost', 'root', '', 'kinomonster');
   if (mysqli_connect_errno()) {
  	printf("Соединение не установлено", mysqli_connect_error());
  	exit();
   }

   $mysqli->set_charset('utf8');

   $query = $mysqli->query('SELECT * FROM music');
  
   while ($row = mysqli_fetch_assoc($query)) {
   	echo $row['name'].$row['author']."<br>";
   }

   ?>