[Bug] - Unsafe spawn location when generating new plot

[LordTuxn]

Description

Every time when a plot gets generated, the default spawn location is unsafe and not set.

[22:08:53 INFO]: [Multiverse-Core] Loading World & Settings - 'P-2' - Env: NORMAL - Type: FLAT & generator: VoidGenerator
[22:08:53 WARN]: [Multiverse-Core] Spawn location from world.dat file was unsafe. Adjusting...
[22:08:53 WARN]: [Multiverse-Core] Original Location: X: -487 Y: 4 Z: -557 P: 0 Y: 0 
[22:08:53 ERROR]: [Multiverse-Core] Safe spawn NOT found!!!
[22:08:53 WARN]: [Multiverse-Core] Somebody tried to set the spawn location for 'P-2' to an unsafe value! Adjusting...
[22:08:53 WARN]: [Multiverse-Core] Old Location: X: -487 Y: 4 Z: -557 P: 0 Y: 0 
[22:08:53 WARN]: [Multiverse-Core] New (unsafe) Location: X: 75.5 Y: 30 Z: 75.5 P: 90 Y: -90 
[22:08:53 WARN]: [Multiverse-Core] Couldn't fix the location. I have to abort the spawn location-change :/

Steps to Reproduce

Possible Solution

Find a way to automatically set default spawn point for plot world.