apt update from local mirror says 404 not found

[theoharis]

hello
i have set up a local mirror via apt-mirror
this is the list


cat /etc/apt/mirror.listset nthreads 20
set _tilde 0


deb http://archive.ubuntu.com/ubuntu bionic main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu bionic-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu bionic-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu bionic-backports main restricted universe multiverse


deb-src http://archive.ubuntu.com/ubuntu bionic main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu bionic-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu bionic-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu bionic-backports main restricted universe multiverse


clean http://archive.ubuntu.com/ubuntu


this is my apache2 conf


<VirtualHost *:80> ServerName cdk-juju
ServerAlias *
DocumentRoot /var/spool/apt-mirror/mirror/archive.ubuntu.com/
LogLevel info
ErrorLog /var/log/apache2/mirror-archive.ubuntu.com-error.log
CustomLog /var/log/apache2/mirror-archive.ubuntu.com-access.log combined


<Directory /var/spool/apt-mirror/>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>
</VirtualHost>




apt-get update errors


sudo apt updateIgn:1 http://10.100.1.156/ubuntu bionic InRelease
Ign:2 http://10.100.1.156/ubuntu bionic-updates InRelease
Ign:3 http://10.100.1.156/ubuntu bionic-backports InRelease
Err:4 http://10.100.1.156/ubuntu bionic Release
404 Not Found [IP: 10.100.1.156 80]
Err:5 http://10.100.1.156/ubuntu bionic-updates Release
404 Not Found [IP: 10.100.1.156 80]
Err:6 http://10.100.1.156/ubuntu bionic-backports Release
404 Not Found [IP: 10.100.1.156 80]
Get:7 http://security.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]
Reading package lists... Done

what could be wrong ? thanks