Unable to updrade OS from RHEL 7.6 from RHEL to 8.6 via leapp

Latest response 
1. Inhibitor: The installed OS version is not supported for the in-place upgrade to the target RHEL version

Consult the pre-upgrade report for details and possible remediation.

below is output from report.txt

Title: The installed OS version is not supported for the in-place upgrade to the target RHEL version
Summary: The supported OS releases for the upgrade process:
RHEL-ALT 7.6
RHEL-SAPHANA 7.9
RHEL 7.9

AK

Responses