PHP Error ( 2 )

Message	Undefined array key "file"
File(Line)	/var/www/saarlandjazz.de/userfunctions/include/download.php(7)

PHP Error ( 8192 )

Message	file_exists(): Passing null to parameter #1 ($filename) of type string is deprecated
File(Line)	/var/www/saarlandjazz.de/userfunctions/include/download.php(10)