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That's probably because you have a float attribute that you use for your particles rotation. It works in maya (this same value gets applied to all three axis), but that's actually a bad thing to do, and my tool doesn't check for that (I think I'll have to add that eventually). Try making vector attribute for your rotations instead. If that doesn't help, drop me a test scene.
Kevin Mains
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Demark said almost 7 years ago: