BobyStar
  1. Setup an Udon program to use
    Networking.LocalPlayer.PlayHapticEventInHand
    and provide it a negative amplitude.
  2. Build & Test or Publish the world for Android
  3. On an Android Flatscreen device launch the world.
  4. Activate the Udon program and notice the java illegal argument exception.
amplitude must either be DEFAULT_AMPLITUDE, or between 1 and 255 inclusive (amplitude=0)
Tested with the parameters:
Right
,
0.1
,
0
,
1
. Notably this does not cause an exception on Meta Quest native (Quest 2 on open-beta).
This includes the value 0 as well as negative values which has been noted to be an issue in this world: https://vrchat.com/home/world/wrld_937e9703-1aff-4963-b3aa-84375c47796f