Simply re-execute. Of course this doesn’t make sense if you are constantly (every time) hitting this error (which seems you do from your original post). Check this topic for more on this approach:
Think I used Column Rename node first time. But whatever node is used I would make sure to document it with “Dummy” or “pass through” node for example. You are right, there is no such node (see here). This would be my approach:
