PS C:\Users\Administrator> Export-SPWeb "http://win-oql2facn6h8/" -itemurl "List
s/Disney" -path "c:\Backups\disney.cmp"
Export-SPWeb : <nativehr>0x80070057</nativehr><nativestack></nativestack>
At line:1 char:13
+ Export-SPWeb <<<< "http://win-oql2facn6h8/" -itemurl "Lists/Disney" -path "c
:\Backups\disney.cmp"
+ CategoryInfo : InvalidData: (Microsoft.Share...CmdletExportWeb:
SPCmdletExportWeb) [Export-SPWeb], ArgumentException
+ FullyQualifiedErrorId : Microsoft.SharePoint.PowerShell.SPCmdletExportWe
b
Above was the error message. I can access the list at http://win-oql2facn6h8/Lists/Disney/AllItems.aspx?InitialTabId=Ribbon%2EList&VisibilityContext=WSSTabPersistence
I suspect that there could be typos in my cmdlet that leaded to this error, but I've been unable to locate it.