Represents an exception that occurs during a Feature upgrade that immediately stops the upgrade.
(in Microsoft.SharePoint.dll)Available in Sandboxed Solutions: Yes
Available in SharePoint Online
When the exception occurs, an error is logged in the Unified Logging Service (ULS) and Upgrade logs, and the Feature version is not upgraded.
Any public static
in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.