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: a74023a1-d240-006a-e518-ed99db9327aa.

Error ‭[3]‬
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: a74023a1-d240-006a-e518-ed99db9327aa.