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Warning: Undefined variable $query in C:\Abyss Web Server\htdocs\get_hiscores.php on line 153

Fatal error: Uncaught ValueError: PDO::prepare(): Argument #1 ($query) cannot be empty in C:\Abyss Web Server\htdocs\get_hiscores.php:153 Stack trace: #0 C:\Abyss Web Server\htdocs\get_hiscores.php(153): PDO->prepare() #1 {main} thrown in C:\Abyss Web Server\htdocs\get_hiscores.php on line 153