Document ID nasty error, easy fix

Document ID nasty error, easy fix:

Nasty error:
Could not look up Document ID due to an error encountered in Microsoft Search Server. Scope in your query does not exist.

Easy fix:
Site settings > Site Collection Administration > Document ID settings > Use this search scope for ID lookup: 'All Sites' > OK.

SharePoint 2013 PowerShell - Everyone Unfollow Everyone

$site = Get-SPSite "http://mySiteCollection/"
$serviceContext = Get-SPServiceContext($site)
$profileManager = new-object Microsoft.Office.Server.UserProfiles.UserProfileManager($serviceContext)

foreach($userProfile in $profileManager.GetEnumerator())
{
    $followingManager = new-object Microsoft.Office.Server.Social.SPSocialFollowingManager($userProfile, $serviceContext)
    $followed = $followingManager.GetFollowed("Users")
    $actorInfo = new-object Microsoft.Office.Server.Social.SPSocialActorInfo
 
    foreach($user in $followed)
    {    
        write-host $userProfile.AccountName 'follows' $user.AccountName
        $actorInfo.AccountName = $user.AccountName
        $actorInfo.ActorType = "User"
        $followingManager.StopFollowing($actorInfo)
    }
}