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: 9dcca29e-1901-c0be-c3d3-9bd475e52528.

 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: 9dcca29e-1901-c0be-c3d3-9bd475e52528.