For those of you who have similar problem, it is NOT normal.
Those nice guys at VPI will either swap you a new one if you want to ship it back (just the base, not the whole table) or you can glue it back yourself with a drop of super glue.
Those nice guys at VPI will either swap you a new one if you want to ship it back (just the base, not the whole table) or you can glue it back yourself with a drop of super glue.