Possible help for event until EA fixes game.
This was posted on Answers, credit to @invisiblep169. this bug seems to be mainly triggered by tapping too many completed character jobs at once. tapping more than ~3-5 characters at once seems to be...
Forum Discussion
oh, and as i mentioned before, this only concerns character jobs. once you've cleared all of those out of the way, you can place the irs building back into your springfield and knock out the building revenue.
