Symptoms
When you click a hyperlink in the Preview window, and you are in Authoring-New mode orAuthoring-ReEdit mode, you may receive the following error message in Microsoft Content Management Server (MCMS) 2002 Connector for SharePoint Technologies:

Object reference not set to an instance of an object. You may receive this error messagewhen you click any channel navigation hyperlink, any posting hyperlink, or any breadcrumb hyperlink. All these hyperlinkslink to an MCMS posting in the Preview window.
Resolution
This behavior is by design.