[Affecting Live Content] Assert when exiting Infinity Dungeon EX

Verification builds:

Ver. 1.7.0.5 Beta, Build 1151265

Summary:

Assert when exiting Infinity Dungeon EX

Impact:

No noticable impact to gameplay, but aserts are bad, because something else might be going on under the hood.

Repro Steps:

1. Download Infinity Dungeon EX from the store
2. Play it
3. Exit the game

Observed Results:

The attached assert will spam the window indicating an issue of some kind.

Expected Results:

No asserts

Screenshots/Videos attached: 

Yes 

Regression Build

1.6.0.8