horse bug

So, this happened to me once before (which I had to reset the day as I could not do anything) and now just recently. I didn't encounter this issue after playing one or two seasons worth of update 1.5, but has occurred since updating to 1.5.2 (I think) The issue occurred when I summoned my horse...

Hey all, I did a lot of Googling on this but can't find sufficient information for Mac. There's been some suggestions of editing the save file but in the xml itself I can only find <horseName /> without really any indication anywhere that I won't break my game or just render whatever edit I make...