https://playcanvas.com/editor/scene/575107
pretty much explained in the title
The plane entity doesn’t have a rigid body and collision components hence the sphere is just falling right through it.
it’s still not working. I did what you said
Here is a fork of the scene with a plane that has rigid body and collision components added: https://playcanvas.com/editor/scene/575257
thanks, it works now. I had the wrong collision setup