Server spawn

[Jotaroo_]

Hello readers of this post,

I've got a problem with setting up my server spawn. I've downloaded a map successfully and I am succesfully able to teleport to that map when I use /world [worldname], also I succesfully set a spawn with a scripted /setspawn + /spawn. But, when I log out and relog, I end up in a default Minecraft world and when I try /spawn, the command doesn't work anymore. Could anyone explain what I am doing wrong and help me fix it? 

[PandaChan]

Change the level name in the settings tab on the panel to the world you want to spawn in.

[TheRustySpud]

or you can install Multiverse-Core and run the command /mv import (name of downloaded world) world