OPEN Cookloco Skywars keeps voiding/deleting my maps

[Sops]

Its really annoying. can you expalian what goes wrong?
- loading in map
- /sw tp (name)
- /sw arena create (name)
- setting all spawns
- setting max/min players
- go back to hub,
- /sw join
and map is gone.
Without any error or something, Just gone.
Help me.