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 Error

Web Part Error: A Web Part or Web Form Control on this Page cannot be displayed or imported. The type SharePointProject4.BuildingFiles_Details.BuildingFiles_Details, SharePointProject4, Version=1.0.0.0, Culture=neutral, PublicKeyToken=a92b61a573525ca0 could not be found or it is not registered as safe. Correlation ID: 05e9629f-9086-d086-99cd-dd3641870741.