Scala import not working - object is not a member of package, sbt preppends current package namespace in imports

Question

I have an issue when trying to import in scala. The object Database exists under com.me.project.database but when I try to import it:

Answer 1

I had faced similar issue where IntelliJ showed error on importing one file from the same project.

What did not resolve the issue in my case:

1. adding _root_ in import statement
2. sbt clean
3. restarting machine

What actually resolved the issue:

1. main menu => select File => click on Invalidate Caches / Restart => pop-up dailog => click on invalidate the caches and restart.

I was using IDEA (2019.2.2 Ultimate Edition) on macOs mojave 10.14.6