Sharpydog

I have a 2001 chevy silverado 1500 hd ls. Just replaced the brakes, rotors, calipers, and brake lines on the rear. There is a leak at the banjo bolt that I can't figure out why. It leaks when I try and bleed the brakes. I've tried everything to fix this, anyone out there that can give me an idea how to fix this or tell me why I'm having this issue? I'm desperate here!