Centos7 pre upgrade problems

good morning everyone

I’m trying to upgrade a CentoOS7 server to Almalinx8.

I’m having problems with the preupgrade task

I always get this error, can anyone give me some advice?

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ERRORS

2024-08-06 16:48:09.462311 [ERROR] Actor: dnf_transaction_check
Message: DNF execution failed with non zero exit code.
STDOUT:
Extra Packages for Enterprise Linux 8 - x86_64 5.9 MB/s | 14 MB 00:02
Last metadata expiration check: 0:00:07 ago on Tue Aug 6 16:47:53 2024.

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 upgrade not found in repositories metadata: gpg-pubkey leapp-upgrade-el7toel8 leapp python2-leapp
Transaction check:

Problem: package python3-samba-4.19.4-4.el8_10.x86_64 from almalinux8-baseos requires libauth4-samba4.so(SAMBA_4.19.4_SAMBA4)(64bit), but none of the providers can be installed

  • cannot install the best candidate for the job
  • conflicting requests

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END OF ERRORS

I have other errors in the report but they are minor or not blocking in my opinion.