Помогите! ! На Моём сервере Minecraft не спавнятся Монстры и NPC

Вот мои Server Properties
#Minecraft server properties
#Tue Apr 30 15:00:49 YEKT 2013
generator-settings=
allow-nether=false
level-name=Skyland Wars Multiplayer (1-4)
enable-query=false
allow-flight=false
server-port=25565
level-type=DEFAULT
enable-rcon=false
level-seed=
server-ip=25.78.94.20
max-build-height=256
spawn-npcs=true
white-list=false
spawn-animals=true
snooper-enabled=true
hardcore=false
texture-pack=
online-mode=false
pvp=false
difficulty=2
enable-command-block=true
gamemode=0
max-players=10
spawn-monsters=true
generate-structures=true
view-distance=15
spawn-protection=16
motd=4SERV