Hello magicians,

Does anyone use Houdini Indie via Steam?
I recently purchased Houdini Indie from steam and it works for a while. Today while I was testing my HDA with Houdini Engine in Unreal Engine, I closed Houdini to start a new Houdini Engine session, the Houdini Engine session failed.

I tried to open up Houdini via Steam again and Houdini could not recognize any license.
Does anyone know how to troubleshoot this? Thank you in advance.