Basic Arm kinematics course can not open

I have subscribed but when I open the course of basic Arm kinematics, the introduction always blank, and in loading, it still does not work if I change a pc. I would like to know how to fixed it

Hi there,

I have already encountered this type of error. Reloading the simulation (reload the entire simulation or page reload) fixed the problem. You can also try to change the browser if this solution does not work.


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I have tried reloading all page but it still not work
I use it in chrome and firefox and both of them are not work

You can also try to clear the browser cache or access the course with guest mode in Chrome.


thanks this method fix it

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