Daily financial report broken after day 30

Issue: daily financial report broken after day 30
Crash (y/n): n
Platform (Windows/Mac/Linux): Win 10 64bit
Version number: 0.17.58-g88649c8
Description:
there are several issues:

  • switching days: sometimes you can’t switch at all, but i also managed to switch some days into future.
  • after day 30 new purchases show 0, after reload game it works.