hi everyone i have some problems with the command apt_get update its not working

i have this version of kali : Linux kali 5.2.0-kali2-amd64 #1 SMP Debian 5.2.9-2kali1 (2019-08-22) x86_64 GNU

i cheked my sources.list i use this lines:

deb http://http.kali.org/kali kali main non-free contrib
deb-src http://http.kali.org/kali kali main non-free contrib

afther i use apt-get update :

Ign:1 http://http.kali.org/kali kali InRelease
Hit:2 https://download.mono-project.com/repo/ubuntu vs-bionic InRelease
Err:3 http://http.kali.org/kali kali Release
404 Not Found [IP: 192.99.200.113 80]
Reading package lists... Done
E: The repository 'http://http.kali.org/kali kali Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

i am very grateful to the assistant