I tried updating RM 7.1.4 to the RM 8.0 Kusunoki. IdeaVim plugin didn't work on RM 8.0 .
So, I revereted back to RM 7.1.4 and now IdeaVim stopped working there also. It used to work on RM 7.1.4 until this afternoon.
How could I get it to work again?