Error, region type missing in..? What is this? Keep getting this error message amd would really appreciate your help.



Any idea what this means?

I've edited some of the original code, changed around some of the parameters such as changing the name of the objects. I don't know if that had an effect?

If it did/would, vaguely what can I do to ensure this error message doesn't keep propping up.

Any suggestions? Thanks.
The blender system is structured with Area's 1 and Regions 2.

Area

The application window is always a rectangle on your desktop. It is divided up into a number of re-sizable areas. An area contains the workspace for a particular type of editor, like a 3D View Editor, or an Outliner.

Region

An area is divided into regions (a sort of placeholders). For example:


Header
Main
Tool Shelf
Properties
etc


Scripts can use these regions to (for example) add custom panels to a region.

Now the Error

The message Error, region type missing in - name is send to the console when a script wants to access a region in a area for temporary windows.

This used to happen when users open a user-prefs or render window (those are temporary screen and). And then start using it as a regular window (split it, change space types... etc). This was solved in 2015, but could still be possible when scripting.