Plasma Desktop Shell closed unexpectedly

Hello there,
When I want to open Plasma Desktop Shell I have this error about a crash. If I close and open it again the error appears again, reinstall is not a solution. I don’t know what to do next to fix this one so please can anyone help me fix this error and tell me what is causing it ? ]
Thank you !

Plasma Desktop Shell – The KDE Crash Handler
We are sorry, Plasma Desktop Shell closed unexpectedly.
You can help us improve KDE Software by reporting this error.
Learn more about bug reporting
Note: It is safe to close this dialogue if you do not want to report this bug.
Details:
Executable: kdeinit4 PID: 1627 Signal: Segmentation fauld (11)
Restart Application Report Bug Close
