At SharePoint Thoughts a good article is posted about the most seen error message in SharePoint. You know that message which pops up when you try to drag a WebPart on your Portal site. Its a generic error message from SharePoint caused by one of the following:
- is applied whenever an instance of WebPart cannot be created or
- is disallowed, either explicitly or implicitly, from rendering via the SafeControls list.
Read more by following the link below:
http://www.bluedoglimited.com/SharePointThoughts/ViewPost.aspx?ID=189
Mart and Maurice also posted an article about error messages. Follow the link below:
http://blogs.tamtam.nl/mart/SharePointErrorMessagesAreTheBest.aspx