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: c39b6ba0-194e-c0be-c3d3-9c56ba46baf5.

 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: c39b6ba0-194e-c0be-c3d3-9c56ba46baf5.