HairFarm Render Element is not output correctly in V-Ray 5

[flat]

RenderElement is not output correctly when "Use Global Hair Tree" of VRayHairFarmMod is enabled (default) in V-Ray 5.

Please fix.

Attach hairfarm sample scene

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Scene creation environment
3ds Max 2018
Vray 3.60.05
Hair Farm 2.6.2

Rendering environment

[1] 3ds max 2020
　　Vray 3.70.01
　　Hair Farm 2.7.2

[2] 3ds max 2019
　　Vray 5 hotfix 2
　　Hair Farm 2.7.2

Rendering details
Render at 0F, 10F, 20F, 30F
0F: Both camera and object are still
10F:Camera movement, object still
20F:Camera still, object moving
30F:Both camera and object are moving