When I TP to my plot using /srm tp plot1 It bugs me outside the map in the Glass and kicks me for flying over and over till I /spawn but like 10% of the time it lets me walk around and get outside the map. I told EzioBurrito and Luckydophin about it as soon as I found the bug and Later I informed pile_of_Butts about it. It seems like it could be a major exploit if others can do this they can get outside the map and store stuff in chest without having to ever worry about space or someone raiding them in free world paying for a plot ect.
