I had this exact problem today. I was assigned the Columi Main Hand Lightsaber but I was in a mindtrap and when I got out I was bugged. Of course, I exit area but there is no floor nor does the speeder reach the end as well as no one at the bottom with a battle rez as we were in combat. I opened a ticket about it and hopefully I can get the item restored, but without a fix, it makes SOA impossible to loot sometimes.