Item.SetParent caused remove - this shouldn't ever happen

I dont know what this error is or what is causing it. Im not being spammed by it and have done multiple searches. 
Does anyboby have any idea whats causing it?
Item.SetParent caused remove - this shouldn't ever happen

I have the same spam in the console periodically
Item.SetParent caused remove - this shouldn't ever happen

I'm having the same issue, I'm using a custom made map that I've been working on and thought it could be that but I am unsure.

The problem is not the map. I have already had several wipes on different maps. The error does not disappear.

this happened to me too when the skinner plugin is used. 

Item.SetParent caused remove - this shouldn't ever happen