Game seems to continue ok; thought greenheart should know - reporting it as the game asks me to 
Error Uncaught error. Please report this to support@greenheartgames.com: Uncaught TypeError: Cannot read property ‘genre’ of null (file:///Z:/install/SteamLibrary/steamapps/common/Game%20Dev%20Tycoon/compressed/codeNw.js:812) Please restart the game.
Enabled Mods:
No mods activated.
Game Version: 1.5.5
Platform: Windows
Distribution: Steam