How to solve this error
Except for kali linux package package are at "/etc/apt/sources.list.d". So remove or move error file at "/etc/apt/sources.list.d". Or change current url.
memo
try cat /etc/apt/sources.list
But not found http://ppa.launchpad.net/openjdk-r/ppa/ubuntu hirsute Release
P.S.
i cannot input japanese on kali linux ,so i wrote in english. pien(look like jk)