Package doesn't exist error in intelliJ

Question

I\'m trying to use the barbecue barcode printing library. I have successfully added the library to IntelliJ through project structure add library. Then I imported the packa

Answer 1

In my case the only thing that worked is:

mvn idea:idea

The good thing is that you don't have to delete .idea folder or .iml files and loose all configuration. Everything will be preserved.

(Possibly something like gradle idea works for gradle too).