centos – Leapp upgrade : no matches found for the following disable plugin patterns : subscription-manager

I’m trying to elevate from CentOS 7.9 to Alma8. I’m following the official guide, but I’m stuck at leapp upgrade. I have the following error :

STDERR:
No matches found for the following disable plugin patterns: subscription-manager
Repository extras is listed more than once in the configuration
Warning: Package marked by Leapp to install not found in repositories metadata: python3-nss easymock ldns-utils ivy-local python3-javapackages
Warning: Package marked by Leapp to upgrade not found in repositories metadata: gpg-pubkey
Error: Error downloading packages:
  Curl error (7): Couldn't connect to server for https://mirrors.almalinux.org/mirrorlist/8/baseos [Failed to connect to mirrors.almalinux.org port 443: Connection timed out]

(subscription-manager is for RHEL, and i’m trying to Elevate to AlmaLinux 8, why do I have to install this package ?)

I don’t get any errors in the /var/log/leapp/leapp-report.txt file, only info or low risk factors.

leapp preupgrade went successfully.

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