PI webpart type is not registered as safe in Sharepoint server.

Discussion created by chakri on Sep 7, 2011
Latest reply on Sep 16, 2013 by wangqi

"A Web Part or Web Form Control on this Page cannot be displayed or imported. The type is not registered as safe."


I got this error message, when attempting to add a Pi Trend web part to a New page, What could be the fix for this??