You might not have enough binding agents, so be sure to weigh the ingredients accurately. Overbaking can also cause crumbling, so check the loaf early enough. Additionally, slicing it too soon can lead to crumbling. Let it rest for 5 to 10 minutes before slicing to minimize this. However, some crumbling is normal. A tender loaf will crumble a bit; if it doesn't, it might be too