After you enable auditing of the server-level audit action group SCHEMA_OBJECT_CHANGE_GROUP in Microsoft SQL Server 2016, you can no longer perform online index rebuild for tables that contain large object (LOB) columns.
The issue was first fixed in the following cumulative update of SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. We recommend that you download and install the latest cumulative updates for SQL Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminology that Microsoft uses to describe software updates.