Matlab add-on manager not working with R2020a

The add-ons feature of matlab is not functioning with Matlab 2020a, receiving the below error message on clicking the addon

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Dot indexing is not supported for variables of this type.

Error in matlab.internal.addons.AddOnsWindow/bringToFront (line 68)

obj.webwindow.bringToFront();

Error in matlab.internal.addons.Explorer/bringToFront (line 65)

obj.addOnsWindowInstance.bringToFront();

Error in matlab.internal.addons.launchers.showExplorer (line 132)

matlab.internal.addons.Explorer.getInstance.bringToFront;

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Any help is appreciated

[Walter Roberson]

You probably have some third-party software on your path that is interfering with basic matlab routines. For example you might have a third party strjoin function.

Answer 1

[Saad Ahmed]

I uninstalled matlab and deleted the preference options, then re installed with new preference directory, the problem is solved

[Mason Barber]

How do you delete preference options

[Mason Barber]

I am having the same issues and I have unistalled Matlab and reinstalled and I still can not use the add ons