What happens to the installation files offered by OVH?

What happens to the installation files offered by OVH?

I'm trying to install - (Centos 7 + Cpanel) but it doesn't allow enable quotas system.
Ok then upgrade to Cloudlinux maybe fix it -> not work!

well then i tried reinstal
install Centos 8 (ovh image), then convert to Cloudlinux (work) and then install Cpanel -> system crashed.

I contacted the CloudLinux support - they say it's OVH's fault. what to do?

I've been stuck for 4 days !!!

How to install Cloudlinux + Cpanel on a dedicate server?
Someone please help!