"Uncaught TypeError: Cannot read property 'up' of undefined" - Progress blocker

Game Dev Tycoon bug
#1

STEPS TO REPRODUCE

  1. Play game until completion
  2. Observe pop up error message before the scores page

RESULT
Upon completion, before the scores page the following pop up message appears:

Uncaught error. Please report this to
support@greenheartgames.com:
Uncaught TypeError: Cannot read property ‘up’ of undefined
[last line of error message not entirely decipherable]

ADDITIONAL INFO
Unable to attach screenshot as I’m a new user.

#2

First send it to support. Then please state which operating system you are on.

#3

Cheers, just sent a more detailed report to support.

#4

Alright hope they can get this fixed for you.