Uberbosses MP8 with 3 players

We killed Siegebreaker first, then killed Zoltan Kulle near the fence.
He dropped the eye (+ a legendary for me i think, seeing 2 beams) and we couldn't pick them up (see screenshot because the dropped behind the fence...

Please fix this bug ?
I don't really care but my teammates that farmed the portals were pissed off.