I get a lot of these errors PostPlanRouteCallback
 Counter: 66
System.StackOverflowException: The maximum stack depth for the interpreter has been exceeded.

What does it mean?

Sounds like the error from GoHere with having the Supernatural phone booth teleporting things in town. Is that the case?

Yeah you can be right, what can I do about it?
My sims love to use them, where can I ajust the The maximum stack depth  to a higher level?

You can't, it's built into the engine. This is an issue with GoHere that was left over from twallan that I haven't been able to resolve. The only options are remove the booths, ignore the errors or remove GoHere