Issue with custom Alma ISO Installation

We created the ISO using Alma 8.4 ISO and added custom alma rpms including some 3rd party rpms.

We are trying to install Almalinux ISO with alma packages.
Facing an error in section Installation Source.
This is our Kickstart line.
append initrd=initrd.img inst.stage2=hd:LABEL=AlmaLinux8 inst.ks=hd:LABEL=AlmaLinux8:/ks.cfg text quiet

Need help so that we can successfully deploy our custom ISO.

sounds like you need to talk to NehaJuneja as s/he has made several threads about the same thing.

its not really a good idea to modify a checksummed iso. you should be putting the extra rpm’s and kickstart on a webserver, nfs server, 2nd iso image etc.