Created attachment 172127 [details]
log error Ksystemlog

***
If you're not sure this is actually a bug, instead post about it at https://discuss.kde.org

If you're reporting a crash, attach a backtrace with debug symbols; see https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***

SUMMARY


STEPS TO REPRODUCE
1. the computer was left (not sleeping),
2. turn on the monitor,
3. log in through the lock
4. enter your username and password

OBSERVED RESULT
black color panel and Desktop
open applications (programs) continued to work


EXPECTED RESULT
So that the panel does not disappear. 
Make sure that the copy indicator is tied to Dolphin, and not on the taskbar.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Arch 
(available in About System)
KDE Plasma Version: 6.1.3
KDE Frameworks Version: 6.4.0
Qt Version: 6.7.2

ADDITIONAL INFORMATION
Device-1: NVIDIA GP104 driver: nvidia v: 555.58.02
  Device-2: AMD Raphael driver: amdgpu v: kernel
  Display: wayland server: X.org v: 1.21.1.13 with: Xwayland v: 24.1.1
    compositor: kwin_wayland driver: X: loaded: amdgpu,nvidia
    unloaded: modesetting dri: radeonsi gpu: nvidia,amdgpu
    resolution: 1920x1080
  API: EGL v: 1.5 drivers: nvidia,radeonsi,swrast,zink
    platforms: gbm,wayland,x11,surfaceless,device
  API: OpenGL v: 4.6.0 compat-v: 4.5 vendor: nvidia mesa v: 555.58.02
    renderer: NVIDIA GeForce GTX 1070/PCIe/SSE2
  API: Vulkan v: 1.3.279 drivers: nvidia surfaces: xcb,xlib,wayland