System Settings not opening after changing global theme to Breeze in Plasma 6

Help
1

I use Arch Linux with Plasma 6. After changing the theme to Breeze Light, I am unable to open System Settings. No errors shown. Can someone help please ?

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2

Two things that come to mind which you could try:

  • Open a terminal (Konsole) and execute systemsettings there, to see if the terminal output indicates what kind of error it is.
  • Reset the style by editing your config files directly, if this is indeed what caused the error. Changing the Global Theme applies a bunch of different settings, e.g.:

In .config/kdeglobals:

[KDE]
widgetStyle=Breeze

In .config/plasmarc:

[Theme]
name=breeze-light

And also the color theme, but I don’t see how different colors would really break anything. Heck, the Breeze application style is in such wide use that it’s hard to imagine it would break System Settings. And Plasma Style should only affect Plasma, rather than an application like System Settings. Nonetheless, it’s good to know that you can reset the style by removing the name=... or widgetStyle=... lines from their respective configuration files.

But I’d check the terminal output first.

3

Hi Jpetso

Thanks for the quick help and sorry could not get back earlier.

I reinstalled kde-gtk-config. This solved the issue.

Thank you once again.

Sachin

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4

Hi, I have the same issue, except I did some more experimentation.
Firstly, to set the scene, I was making my own plasma theme and aurorae theme. Before I made my own aurorae theme, any theme would work perfectly fine. My plasma theme also works perfectly fine.

After I started making my own aurorae theme, systemsettings did not open normally anymore. Clicking on the icon would open the app, but the app would not be displayed. After right clicking on the icon and closing it, if I right click on it and open it with a specific action, like “window decorations”, it will open and I can access every setting normally.

Opening systemsettings with terminal gives this error:
qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0

If I use ANY window decorations (aurorae) theme other than Breeze, settings will not open. Every other theme setting works fine

My system info is in the screenshot

image
image768Ă—512 54.4 KB

5

Having the exact same issue when using any window decoration / aurorae theme.