Expression OP weird glitch?

[1] and [2] should match, no?

[3]: if there’s an error, it should show a warning on the OP in the network view, no?

<td.Error: Object undefined outside of cook.>

Addl notes:

a) I’m seeing the same error in operator snippets Expression OP
b) When I reference the value of my Expression OP, it doesn’t work

Hope it’s not just me doing something wrong…

This works with no problem, so it seems that Expression OP freaks out when given me.inputVal

Again, hope it’s not something I’m doing wrong, but I’m seeing the same error in the snippet: