hey guys im running a server from my home pc soon to be moved to a creeperhost server. ive got my first quarry in this world setup and each time i leave it the quarrys arm despawns and stops working ive got 2 brake the quarry and replace the land markers each time i leave the area to get it going again its almost like the chunks arnt staying loaded . allso note i am useing spigot its a bukkit/forge bukkit thingy lol its so i can get more plugins me and my people need to make it a happy and safe place for people to enjoy there time playing FTB if anyone could help me here it would be much appreciated.