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"The referenced script on this Behaviour is missing!" when removing ProGroups

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Hi there,

I'm having trouble removing ProGroups from my project. The moment I delete the ProCore and ProGroups directories I get two of these warnings:
The referenced script on this Behaviour is missing!
When I highlight this in the Unity console it doesn't select a corresponding object in the Hierarchy or asset in the Project window. When I double-click on the message I get the following in the Inspector:



Below that it's empty in the Inspector. No transform, nothing.
I've searched high and low for this object instance. But it's nowhere to be found. I've employed scripts that search all scenes/assets for missing references without luck.
I get this warning in my (iOS) builds, too, which is my main issue.
The moment I re-import ProGroups the warning goes away. I've then tried using the "Tools > ProGroups > Delete all groups from scene" in all my scenes before deleting ProGroups from the project, but that doesn't work either.
The following messages appear whenever the scripts rebuild (just before hitting Play in the Editor):


Any idea where I should look?

Many thanks,




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  1. Create a new folder named Editor.
  2. In that folder, create a new C# script named RemoveProGroups.cs
  3. Paste in the contents below
  4. Run Tools > ProGroups > Remove ProGroups Object menu item

using UnityEngine;

using System.Collections;

using UnityEditor;

public class RemoveProGroups : Editor


    [MenuItem("Tools/ProGroups/Remove ProGroups Object")]

    static void Init()


        GameObject go = GameObject.Find("Progroups2_Groups_Container_Object");

        if(go != null)




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