You really should have waited to feed her. This feeding is going to put a lot of stress on her system. It is highly suggested that you wait two weeks after a regurge to feed the snake again. I don't know exactly what kind of substrate you were describing as peach stuff, but it doesn't sound good. I would ditch that substrate. You can use newpaper, paper towels, cypress mulch, or aspen for substrate. I really hope your snake will be ok. Please don't feed her again if she can't hold down this meal that you just fed her.