Description of problem:

 # cat /etc/redhat-release
Red Hat Enterprise Linux release 8.10 (Ootpa)

1. yum repolist
   Updating Subscription Management repositories.
   repo id repo name
   Satellite_Engineering_Satellite_6_16_Composes_Satellite_6_16_RHEL8 Satellite 6.16 RHEL8
   Satellite_Engineering_Satellite_6_16_Composes_Satellite_Maintenance_6_16_RHEL8 Satellite Maintenance 6.16 RHEL8
   rhel-8-for-x86_64-appstream-rpms Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs)
   rhel-8-for-x86_64-baseos-rpms Red Hat Enterprise Linux 8 for x86_64 - BaseOS (RPMs)
   satellite-6.15-for-rhel-8-x86_64-rpms Red Hat Satellite 6.15 for RHEL 8 x86_64 (RPMs)
   satellite-maintenance-6.15-for-rhel-8-x86_64-rpms Red Hat Satellite Maintenance 6.15 for RHEL 8 x86_64 (RPMs)

---upgrade failure –

Running Migration scripts
================================================================================
Setup repositories: [SKIPPED]
--------------------------------------------------------------------------------
Switch the given stream modules: [OK]
--------------------------------------------------------------------------------
Enable the given stream modules: [FAIL]
Failed executing dnf -y --disableplugin=foreman-protector module enable satellite:el8, exit status 1:
Updating Subscription Management repositories.
Satellite 6.16 RHEL8 5.8 kB/s | 2.6 kB 00:00
Satellite Maintenance 6.16 RHEL8 4.8 kB/s | 2.1 kB 00:00
Modular dependency problems:

Problem 1: module satellite:el8:61520240618172028:88798ac5.x86_64 from satellite-6.15-for-rhel-8-x86_64-rpms requires module(postgresql:12), but none of the providers can be installed

• module postgresql:12:8090020240209130909:a75119d5.x86_64 from rhel-8-for-x86_64-appstream-rpms conflicts with module(postgresql:13) provided by postgresql:13:8100020240814102212:489197e6.x86_64 from rhel-8-for-x86_64-appstream-rpms
• module postgresql:13:8100020240814102212:489197e6.x86_64 from rhel-8-for-x86_64-appstream-rpms conflicts with module(postgresql:12) provided by postgresql:12:8090020240209130909:a75119d5.x86_64 from rhel-8-for-x86_64-appstream-rpms
• module postgresql:13:8100020240814102212:489197e6.x86_64 from rhel-8-for-x86_64-appstream-rpms conflicts with module(postgresql:12) provided by postgresql:12:8080020230717103820:63b34585.x86_64 from rhel-8-for-x86_64-appstream-rpms
• module postgresql:12:8080020230717103820:63b34585.x86_64 from rhel-8-for-x86_64-appstream-rpms conflicts with module(postgresql:13) provided by postgresql:13:8100020240814102212:489197e6.x86_64 from rhel-8-for-x86_64-appstream-rpms
• module postgresql:13:8100020240814102212:489197e6.x86_64 from rhel-8-for-x86_64-appstream-rpms conflicts with module(postgresql:12) provided by postgresql:12:8050020210715095825:b4937e53.x86_64 from rhel-8-for-x86_64-appstream-rpms

Module list

Satellite 6.16 RHEL8
Name Stream Profiles Summary
satellite el8 [e] Satellite module

Satellite Maintenance 6.16 RHEL8
Name Stream Profiles Summary
satellite-maintenance el8 [e] Satellite Maintenance module

Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs)
Name Stream Profiles Summary
httpd 2.4 [d][e] common [d], devel, minimal Apache HTTP Server
javapackages-runtime 201801 [d][e] common [d] Basic runtime utilities to support Java applications
maven 3.5 [d][e] common [d] Java project management and project comprehension tool
perl 5.26 [d][e] common [d], minimal Practical Extraction and Report Language
perl-IO-Socket-SSL 2.066 [d][e] common [d] Perl library for transparent TLS
perl-libwww-perl 6.34 [d][e] common [d] A Perl interface to the World-Wide Web
pki-core 10.6 [e] PKI Core module for PKI 10.6 or later
pki-deps 10.6 [e] PKI Dependencies module for PKI 10.6 or later
postgresql 13 [e] client, server [d] PostgreSQL server and client module
python36 3.6 [d][e] build, common [d] Python programming language, version 3.6
redis 6 [e] common [d] Redis persistent key-value database
ruby 2.7 [e] common [d] An interpreter of object-oriented scripting language
virt rhel [d][e] common [d] Virtualization module

Red Hat Satellite 6.15 for RHEL 8 x86_64 (RPMs)
Name Stream Profiles Summary
satellite el8 [e] Satellite module

Red Hat Satellite Maintenance 6.15 for RHEL 8 x86_64 (RPMs)
Name Stream Profiles Summary
satellite-maintenance el8 [e] Satellite Maintenance module