Intellij Myclass.class (no Such File Or Directory) When Running Application

I'm trying to run my android application on IntelliJ. I created a project from existing source, and I've attached the SDK correctly, everything runs ok until there, but when I try

Solution 1:

Solved it! In intelliJ go in Settings > Compiler > Java Compiler and in the Use Compiler choose javac in-process (Java6+ only).