Originally Posted by kulturnilpferd
Get that fixed.
If SetScale gets wrong value its crashing 
Must have been changed, too due this new UI |
See this post for the work around... it is only a problem with addons that customize the minimap or buttons and forget to take the new frame changes into account.
https://www.wowinterface.com/forums/...ad.php?t=56445
I used to get that error when I first started updating nUI for Legion or BfA.