TL;DR
I want to add variables to the blueprint parameterization inside the parameterization menu itself


What?
I like the idea of ​​parameterizing blueprints, as it is quite a powerful tool. However, I have encountered such an inconvenient thing:
Suppose I need to create a railway station for ...

If describe in general terms, space logistic tutorial crashes when Vulcanus frame shows.
Error looks like this:

Error while running event level::on_tick (ID 0)
value for required field 'position' is missing
stack traceback:
[C]: in function 'move_cursor'
[string " require("__core__/lualib/story ...