I found that I had lost one of the rubber coverings on my rear table leg. It had fallen off in my garage at home. I had the same issue happen with the side tent poles when I removed them from pockets on tear down. The black rubber covering stayed in the pocket.
So I did a quick fix. There are a total of 2 rubber feet with the tables and 2 on the tent poles. I removed each of them and put a bead of silicone glue in them. As an added measure I put shrink wrap on each of them. Just happened to have some large enough shrink wrap to use from another project. Probably not required but an extra layer of support so they don't leave the legs/poles.
So I did a quick fix. There are a total of 2 rubber feet with the tables and 2 on the tent poles. I removed each of them and put a bead of silicone glue in them. As an added measure I put shrink wrap on each of them. Just happened to have some large enough shrink wrap to use from another project. Probably not required but an extra layer of support so they don't leave the legs/poles.