Error ‭[1]‬

Web Part Error: A Web Part or Web Form Control on this Page cannot be displayed or imported. The type Microsoft.SharePoint.WebPartPages.BlogYearArchive, Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c could not be found or it is not registered as safe. Correlation ID: 9b6e7b9e-f9c4-c0be-1461-c1428805bc9d.

 Error ‭[2]‬

Web Part Error: A Web Part or Web Form Control on this Page cannot be displayed or imported. The type could not be found or it is not registered as safe. Correlation ID: 9b6e7b9e-f9c4-c0be-1461-c1428805bc9d.