I've been having an issue with my bags for a while now. On every character except one I keep my Reverse Sort Order enabled as otherwise it looks like this when it quick sorts:

I've been wanting to play more of my priest but on her I have to go into settings and untick the box to get her inventory to sort properly and tick it again going on any other character.

Anyone know what could be causing this? On new characters it sorts like the first image.

It's a WoW specific option. You can access the option with addons like AdvancedInterfaceOptions or you can use this command: /run SetSortBagsRightToLeft(true)

Not an issue of Bagnon