Error

Web Part Error: A Web Part or Web Form Control on this Page cannot be displayed or imported. The type FDI_New_Frontend.Webpart.TinThongBao.TinThongBao, FDI_New_Frontend, Version=1.0.0.0, Culture=neutral, PublicKeyToken=f735801b45161eb7 could not be found or it is not registered as safe. Correlation ID: 51e3c0a1-d74b-00eb-f3dc-cef6c8fdfc7f.