I am working on an ASP.Net core 2.1 web app project. I have 1 project in my solution and 3 other libraries, it\'s and advanced architecture (data access layer (DAL)
Just want to chip in that i had the same issue but with EntityFrameworkCore 3.0 preview. I solved it by simply downgrading all entityframework 3.0(preview) nuget packages to latest stable (2.2).
Hopefully this helps someone aswell, took me hours...