Designing reports in NAV is a time consuming task. Microsoft has made several changes since the introduction of RDLC. But still partners must budget enough time to create custom layouts.
In NAV2015 Microsoft introduced the possibility to create custom designs from the Windows client instead of the development environment.
This feature lets end users design their own layouts. So that partners can reduce budget. I think end users love this feature but now partners can have helpdesk questions with the following error.