'NoClassDefFoundError: com/sun/jna/Library' error with kinect v1

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Hi, I’m using processing 4.0b1 and trying to use kinect v1 in processing.
I’ve downloaded ‘Open Kinect for Processing’ Library by Daniel Shiffman and having problem with trying the ‘AveragePointTracking’ example.
Everytime I try to run that example it keeps showing ‘NoClassDefFoundError: com/sun/jna/Library’ error. I don’t even understand what that means.
Can anyone help me?

Hi! Welcome to the forum!

Could you tell us if you have follow the instructions written in the link below?

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Are you on an M1 Mac? I’m facing the same issue.

I found a fix: Processing 4 + OpenKinect - #9 by ooj

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