i have this problem when i try to download to my arduino leonardo R3 and motor shield v2. rocessing.app.debug.RunnerException at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:160) at cc.arduino.UploaderUtils.upload(UploaderUtils.java:78) at processing.ap…

Newbies and mac port problems

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