Urgent Help Can't install VestaCp in Ubuntu 18.04

[Editps]

When I run the command I got error :
There are no enabled repos.
Run "yum repolist all" to see the repos you have.
You can enable repos with yum-config-manager --enable <repo>
Error: yum update failed
Can anyone help me please?

[imperio]

Can you provide access via pm, we will check it