Our Leap Motion profile only supports Leap Motion Orion 4.0, or 4.1 version SDK.
Since Ultraleap has updated their program and it is currently not compatible with Motion LIVE 2D Plugin, then kindly refer to this link to download and install the previous version SDK for use in Cartoon Animator:
https://staging.corporate.ultraleap.com/download/software?name=tracking-software&version=4.1.0&platform=windows