In this game, there is a paper note attached to a wall. In RPG_RT, interacting with it displays the note as an image overlayed over the game. In EasyRPG, the image is not shown at all.
The savegame is made right in front of the problematic note, you merely need to interact it to see the problem.
For the devs: Map0003, EV0001:
2k3: Actually wait for key presses (fixes #831)
Also this makes the behaviour like in RPG_RT, where only the decision
keys are used instead of all.