Game crashes at launch.
Found the following in error.log:

UntilYouFall.exe caused an Access Violation (0xc0000005)
  in module UntilYouFall.exe at 0033:8540c624.

The last error in Player.log right before the crash is:

GlobalExceptionHandler caught Error: <b>[SteamVR]</b> Error loading action manifest into SteamVR: MismatchedActionManifest 
    
<b>[SteamVR]</b> Error loading action manifest into SteamVR: MismatchedActionManifest 
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 35)

Unloading 6 Unused Serialized files (Serialized files now loaded: 0)
Crash!!!

But i am not sure if this is somehow related.