The base type 'Microsoft.SharePoint.Spx.WebsiteCore.RootMaster' is not allowed for this page. The type Microsoft.SharePoint.Spx.WebsiteCore.RootMaster, Microsoft.SharePoint.Spx.WebSiteCore, Version=16.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c could not be found or it is not registered as safe.
Correlation ID: fde4bd9f-e08d-2000-b834-71bb44aa91c0
Date and Time: 4/13/2021 9:49:09 AM