When Open GUI, I counter an error

```

java.lang.ExceptionInInitializerError

at com.mathworks.mde.cmdwin.CmdWin.<init>(CmdWin.java:111)

at com.mathworks.mde.cmdwin.CmdWin.<clinit>(CmdWin.java:107)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:264)

at com.mathworks.jmi.ClassLoaderManager.loadClass(ClassLoaderManager.java:442)

at com.mathworks.jmi.ClassLoaderManager.findClass(ClassLoaderManager.java:422)

at com.mathworks.jmi.Matlab$2.findClass(Matlab.java:518)

at com.mathworks.util.ClassLoaderBridge.findClass(ClassLoaderBridge.java:23)

at com.mathworks.widgets.desk.DTClient.createComponent(DTClient.java:275)

at com.mathworks.widgets.desk.Desktop.createClientComponent(Desktop.java:6482)

at com.mathworks.mde.desk.MLDesktop.createClientComponent(MLDesktop.java:1070)

at com.mathworks.widgets.desk.Desktop.createClientComponentWrapper(Desktop.java:6496)

at com.mathworks.widgets.desk.Desktop.setClientShowing(Desktop.java:7195)

at com.mathworks.widgets.desk.Desktop.setClientShowing(Desktop.java:7182)

at com.mathworks.widgets.desk.DTNestingContainer$ViewState.restore(DTNestingContainer.java:2910)

at com.mathworks.widgets.desk.DTNestingContainer$SplitState.restore(DTNestingContainer.java:2536)

at com.mathworks.widgets.desk.DTNestingContainer$SplitState.restore(DTNestingContainer.java:2537)

at com.mathworks.widgets.desk.DTNestingContainer$RootState.restore(DTNestingContainer.java:2422)

at com.mathworks.widgets.desk.DTNestingContainer$RootState.restore(DTNestingContainer.java:2417)

at com.mathworks.widgets.desk.DTNestingContainer.restoreState(DTNestingContainer.java:2291)

at com.mathworks.widgets.desk.DTMultipleClientFrame.restoreState(DTMultipleClientFrame.java:2791)

at com.mathworks.widgets.desk.Desktop.restoreLayout(Desktop.java:5961)

at com.mathworks.mde.desk.MLDesktop.restoreLayout(MLDesktop.java:1698)

at com.mathworks.widgets.desk.Desktop.restoreLayout(Desktop.java:5724)

at com.mathworks.mde.desk.MLDesktop.setDefaultDesktop(MLDesktop.java:1585)

at com.mathworks.widgets.desk.Desktop.initMainFrame(Desktop.java:296)

at com.mathworks.mde.desk.MLDesktop.initMainFrameFromThread(MLDesktop.java:874)

at com.mathworks.mde.desk.MLDesktop.access$600(MLDesktop.java:227)

at com.mathworks.mde.desk.MLDesktop$Initializer.run(MLDesktop.java:1261)

at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)

at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)

at java.awt.EventQueue.access$500(EventQueue.java:97)

at java.awt.EventQueue$3.run(EventQueue.java:709)

at java.awt.EventQueue$3.run(EventQueue.java:703)

at java.security.AccessController.doPrivileged(Native Method)

at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)

at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)

at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)

at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)

at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

Caused by: java.lang.ArithmeticException: / by zero

at com.mathworks.mde.cmdwin.XCmdWndView.getPotentialRows(XCmdWndView.java:1084)

at com.mathworks.mde.cmdwin.XCmdWndView.setCWFont(XCmdWndView.java:1651)

at com.mathworks.mde.cmdwin.XCmdWndView.initPrefs(XCmdWndView.java:907)

at com.mathworks.mde.cmdwin.XCmdWndView.<init>(XCmdWndView.java:401)

at com.mathworks.mde.cmdwin.XCmdWndView.<clinit>(XCmdWndView.java:329)

... 43 more

```

Answer 1

[Rishav]

Hi Sabrina,

To fix this error, you need to install from the AUR the package:

ttf-ms-fonts

For more information on this error, please refer to the following MATLAB Answers post:

https://www.mathworks.com/matlabcentral/answers/1604165-matlab-desktop-error-on-linux?s_tid=answers_rc1-1_p1_MLT