New launcher fails to open game

Put the summary of the bug you're having here

What I expected to happen was...:
After downloading 1.6.1 launcher and opening game, I should get into game by pressing "play"

What actually happened was...:
After downloading 1.6.1 launcher, opening it and pressing "Play", "development Console" window opens and text states "Game ended with bad state (exit code 1). Deleting..."

Steps to Reproduce:
1. Download new launcher
2. Open launcher
3. Press play