Frequent Java problems when using general Matlab commands

I am frequenlty getting this message and the only cure is a restart - can anyone see why this is happening? Part of message follows...

Exception in thread "AWT-EventQueue-0": java.lang.IllegalStateException: Should only have one contributor providing a summary

at com.mathworks.widgets.text.STPMessagePanel.getSummaryContributor(STPMessagePanel.java:442)

at com.mathworks.widgets.text.STPMessagePanel.access$600(STPMessagePanel.java:49)

at com.mathworks.widgets.text.STPMessagePanel$LayerMessagePainter.getPaintForSummary(STPMessagePanel.java:427)

at com.mathworks.widgets.messagepanel.MessagePanel.paintSummary(MessagePanel.java:428)

at com.mathworks.widgets.messagepanel.MessagePanel.paintComponent(MessagePanel.java:367)

at javax.swing.JComponent.paint(Unknown Source)

at javax.swing.JComponent.paintChildren(Unknown Source)

at javax.swing.JComponent.paint(Unknown Source)

[Walter Roberson]

Which MATLAB version are you using and which operating system?

[Neil Philip]

2018A and on Windows 10...

[Walter Roberson]

Sorry, people do not seem to know what causes that error. I recommend contacting technical support.

Answer 1

[Neil Philip]

Thanks for responding Walter - I will try tech support.

Neil