Update blocked because conflict with Packman

Just installed Packman to see correctly some video and only few days after first compatibility problem:

~> sudo zypper dup
[sudo] password for root: 
Loading repository data...
Reading installed packages...
Warning: You are about to do a distribution upgrade with all enabled repositories. Make sure these repositories are compatible before you continue. See 'man zypper' for more information about this command.
Computing distribution upgrade...
14 Problems:
Problem: 1: problem with the installed Mesa-25.0.3-1699.415.pm.1.x86_64
Problem: 2: problem with the installed Mesa-dri-25.0.3-1699.415.pm.1.x86_64
Problem: 3: problem with the installed Mesa-gallium-25.0.3-1699.415.pm.1.x86_64
Problem: 4: problem with the installed Mesa-libEGL1-25.0.3-1699.415.pm.1.x86_64
Problem: 5: problem with the installed Mesa-libGL1-25.0.3-1699.415.pm.1.x86_64
Problem: 6: problem with the installed Mesa-libva-25.0.3-1699.415.pm.1.x86_64
Problem: 7: problem with the installed Mesa-vulkan-device-select-25.0.3-1699.415.pm.1.x86_64
Problem: 8: problem with the installed libOSMesa8-25.0.3-1699.415.pm.1.x86_64
Problem: 9: problem with the installed libgbm1-25.0.3-1699.415.pm.1.x86_64
Problem: 10: problem with the installed libvdpau_r600-25.0.3-1699.415.pm.1.x86_64
Problem: 11: problem with the installed libvdpau_radeonsi-25.0.3-1699.415.pm.1.x86_64
Problem: 12: problem with the installed libvulkan_lvp-25.0.3-1699.415.pm.1.x86_64
Problem: 13: problem with the installed libvulkan_radeon-25.0.3-1699.415.pm.1.x86_64
Problem: 14: the installed calibre-8.2.1-1.1.x86_64 requires 'libQt6Gui.so.6(Qt_6.8.2_PRIVATE_API)(64bit)', but this requirement cannot be provided
deleted providers: libQt6Gui6-6.8.2-3.2.x86_64


Problem: 1: problem with the installed Mesa-25.0.3-1699.415.pm.1.x86_64
 Solution 1: install Mesa-25.0.3-412.1.x86_64 from vendor openSUSE
  replacing Mesa-25.0.3-1699.415.pm.1.x86_64 from vendor http://packman.links2linux.de
 Solution 2: keep obsolete Mesa-25.0.3-1699.415.pm.1.x86_64

Choose from above solutions by number or skip, retry or cancel [1/2/s/r/c/d/?] (c): 

A basic search throws this thread:

You can read these wiki for good practices about using additionnal repositories.

https://en.opensuse.org/Additional_package_repositories

I recommend that you reduce Packman’s priority so that the solver calculates dependency resolution in favor of officials repositories.

sudo zypper modifyrepo -p 120 Packman

As a reminder, the higher the priority value, the lower the priority of the repository.