SSH/Shell: Security Exception: Found unsigned entry in resource

[JoeKra]

Hi,
I get an error when logging into the SSH/Shell Access in my Plesk subscription.

Details of error read as follows:
java.lang.NullPointerException
at sun.awt.SunToolkit.getSystemEventQueueImplPP(Unknown Source)
at sun.awt.SunToolkit.getSystemEventQueueImplPP(Unknown Source)
at sun.awt.SunToolkit.getSystemEventQueueImpl(Unknown Source)
at java.awt.Toolkit.getEventQueue(Unknown Source)
at java.awt.EventQueue.invokeLater(Unknown Source)
at sun.awt.windows.WToolkit.windowsSettingChange(Unknown Source)
at sun.awt.windows.WToolkit.eventLoop(Native Method)
at sun.awt.windows.WToolkit.run(Unknown Source)

https://www.dropbox.com/s/8u9hxojdxx1bfvz/Screenshot 2014-06-16 08.45.17.png

Can anyone give me a hint how to resolve this?

Many Thanks!

Joerg