I have a script where I locate a document library and try to add a folder to it, however, it fails. This is my current failing script:

$web = Get-SPWeb($completeUrl)

$DocumentLibrary = $completeUrl + "/DocumentLibrary"

$site = New-Object Microsoft.SharePoint.SPSite($DocumentLibrary)

$website = $site.OpenWeb()

$list = $website.GetList($DocumentLibrary)

$newFolder = $list.AddItem("", [Microsoft.SharePoint.SPFileSystemObjectType]::Folder)
$newFolder["Title"] = "Weekly"

The exception that I get is: Exception calling "Update" with "0" argument(s): "Invalid item data -- missing FileRef."

Any hints?

  • 1
    See this answer maybe? sharepoint.stackexchange.com/questions/42016/…
    – Seb
    Aug 18, 2016 at 8:44
  • is there a particular reason that you are getting to site by document library url first, then again from getLists? I think you can just directly get to document library using just this: $list = $website.GetList($DocumentLibrary)
    – ova
    Aug 18, 2016 at 8:54

2 Answers 2


I have just tested and this works for me:

$DocumentLibrary = "Yourlibrary's Full Url here"
$list = $web.GetList($DocumentLibrary)
$folder = $list.Items.Add("", [Microsoft.SharePoint.SPFileSystemObjectType]::Folder,"Weekly")
  • You are right, that seems like a smarter (and easier) way of doing it.
    – Khaine775
    Aug 18, 2016 at 9:01

You cannot set an empty string as the first argument for AddItem(). Look at the reference on MSDN: https://msdn.microsoft.com/en-us/library/office/ee558947.aspx

In your case, you would have to set the server-relative url of the list as the first methode-argument. E.g.

$newFolder = $list.AddItem($website.ServerRelativeUrl + "/DocumentLibrary", [Microsoft.SharePoint.SPFileSystemObjectType]::Folder)

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