We have posted some guidelines for people posting lessons to the SideFX website. These are designed to help with the approval process .

https://www.sidefx.com/media/uploads/learn-main-menu/sidefx_tutorial_guidelines_01.pdf [www.sidefx.com]

Thanks for the great tutorial. Here I am sharing the Scene file and error screenshot for your reference. The collision of gumballs did not collide properly after the USD import.