I\'m completely new to development using Play or IntelliJ for that matter. I\'ve created a simple HelloWorld application using Activator, and this is an sbt pro
I encountered the same error when I was trying to import a new scala project A to an existing IntelliJ project B as a module. I solved the problem by following step below:
Go to your folder of project B. Open file .idea/sbt.xml.
Deleting the entry which includes the path of project A.