So, the Virtual entity works fine, when we display it on the standard ui.
But when the virtual entity is called with fetch xml from the modern app ui, it fails to load and displays this:
Here is the stacktrace: https://pastebin.com/EN7B2KcM
I searched for the error, and found this post: https://community.dynamics.com/crm/f/117/t/271284
This states, that this type of error is related to v9.0 only.
Anyone knows a way to make this work, any workarounds to display virtual entity data in a D365 app? Or i only have the ussual solution, to wait until MS gets his shit together...