Problem/Bug Multiverse-Core World unloaded

Hey Bukkit Forum,

so I have a Problem with Multiverse. There are like all world unloaded in /mv list. Now I have a question: I set the downloaded Spawnworld as default world.... then all mv-worlds got unloaded. So can i copy the map and set it in the default map (world). All Minigames etc. are on the Spawn-World so i cant just change the defaultworld to "world". I really need your help!

ReDp0iSoN