Cannot read id of null

Game Dev Tycoon
#1

How do I resolve , because i can’t open my game , PLEASE HELP ME

#2

Any Mods?

Tried to re-install?

You are loading some save, or is that error just when You open the game?

#3

To allow us to help you further please let us know;

Which OS you are using?
e.g. Mac 10.7.5 // Win 7 Sp1

Which Version of Game Dev Tycoon you are running?
e.g. 1.3.9.

Which Edition are you using? Steam, Windows Store or Standard?

Have you used any mods?

#4

P.S. Nulls are unidentified programs/gadgets/parts that cannot be extracted/scanned/updated and is missing from your game.