KDE don't start anymore, on Solus 4.5 Resilience

Hi,
I use KDE 23.08.4-94 on Linux Solus, since few years without problems.
But a few days ago, KDE doens’t start, with message “ré-initialiser les fichiers de configuration” (re-initialize configuration files).
I didn’t understand what it means… ??
So I desinstall and reinstall, same problem.

I install the flatpak version (following Comment installer la dernière version de Kdenlive sur Ubuntu - Numétopia) It works few days, but now not start, see message in terminal:

$ flatpak run org.kde.kdenlive
qt.glx: qglx_findConfig: Failed to finding matching FBConfig for QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1, redBufferSize 1, greenBufferSize 1, blueBufferSize 1, alphaBufferSize -1, stencilBufferSize -1, samples -1, swapBehavior QSurfaceFormat::SingleBuffer, swapInterval 1, colorSpace QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile)
qt.glx: qglx_findConfig: Failed to finding matching FBConfig for QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1, redBufferSize 1, greenBufferSize 1, blueBufferSize 1, alphaBufferSize -1, stencilBufferSize -1, samples -1, swapBehavior QSurfaceFormat::SingleBuffer, swapInterval 1, colorSpace QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile)
Could not initialize GLX

$ flatpak install flathub org.kde.kdenlive
Looking for matches…
Skipping: org.kde.kdenlive/x86_64/stable is already installed

And I have some video editing to do…

Instead of solutions, I tried the Appimage version.
But it doesn’t run (it’s blocked with the colored start picture, and it’s grinding)
I try again, and it said “want to re-initialize configuration files?”, I said Yes, but it doesn’ t run. (same if I choose the other option)

Some ideas please?
Do I have to post that on Solus forum?
Thanks

It’s now solved with Solus forum help.

An update of Flatpack solved KDE flatpack run.

And for KDE desktop, I cut 3 files in personal / .config
kdeglobals
kdenlive-layoutsrc
kdenliverc
And after that KDE desktop starts again.

So it seems to be solved.

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