Dwosi

I crafted a new backpack for the first time and tried to use it. I believe I read the wiki on it correctly. Ore will not automatically flow into the backpack when I have it on my item bar. And when I try to manually place items into the backpack and close out, the items spill onto the floor. Could I be doing something wrong or is this a known bug? I am pretty new to modded Minecraft; only been playing a few days. So I am very open to the possibility that I am just a dork... Thanks, Todd