SPUserCollection.Remove() throws misleading exception “Cannot complete this action”

[Important News!] I’ve kicked off a new project/band where I’m creating music with a heavier techno/metal sound called binarywaste.  You should check it out by clicking right here! Over the weekend we performed a User Migration of our primary SharePoint 2010 farm.  In our case, which is probably a quite common scenario, we had users from both the …

SharePoint PeopleEditor.ResolvedEntities always zero when control is disabled

I’ve been trying to track down this mystery in a project I’m working on for some time. In a nutshell, we’re using the Microsoft.SharePoint.WebControls.PeopleEditor/picker for resolving SharePoint users in our custom web parts like any good SharePoint dev might want to do.  We collect the user data and various other important stuff, and save our …