Hi,
If you create a pass-through parameter and select a global table cell as the reference :

You will have a bug in the value node.
Every time you click on it, it modifies its value :

It seems that this behavior sometimes renders the use of this type of parameter with experimenter non-functional.
The first scenario use a correct value, and the ohers scenarios use a 0 value.
I can't share the real model with this bug, but I attached the simple version used for the GIF.
2026_01_16 Example pass through bug.fsm