I am trying to use the tree view PCF control from PCF Gallery (Tree Relationships | PCF Gallery). I’ve checked the code and tried to replicate it in my system.
But I’m getting the following error when I tried to run it.
How can I resolve it?

I am trying to use the tree view PCF control from PCF Gallery (Tree Relationships | PCF Gallery). I’ve checked the code and tried to replicate it in my system.
But I’m getting the following error when I tried to run it.
How can I resolve it?