WowAce

What version of Grid2  are you using (Version is displayed in General/About Tab) ?

 4.0.13

What game client version, classic or retail, windows or mac and language are you using ?

Retail/Windows/English

What steps will reproduce the problem?

reloading or relogging during a mythic keystone (while out of combat)

  
Did you try having Grid2 as the only enabled addon and everything else disabled?

No

Was it working in a previous version? If yes, which was the last good one?

Yes, but not sure what version (previous seasons)

Do you have an error log of what happened? If you don't see any errors, make sure that error reporting is enabled (`/console scriptErrors 1`) or install [BugSack](https://mods.curse.com/addons/wow/BugSack).

Please provide any additional information below.

Frames turned white for the rest of the run, was able to fix them with another reload after leaving the dungeon.

Update to latest Grid2 beta version (at least 4.0.15-beta), and try disabling another addons  (for example  MountJournalEnhanced addon is crashing too).