Источник:
https://blogs.msdn.microsoft.com/nav...ber18-release/
==============
When you start upgrading to Business Central on-premises, you'll notice that Codeunit 1 ApplicationManagement is missing. Not to worry, this is not a ‘bug’, it is by design. We're refactoring the application as part of our move to modern development and to enable extensions to subscribe to events that were formerly handled by functions in codeunit...
Источник:
https://blogs.msdn.microsoft.com/nav...ber18-release/