not enabled for this world

[Caimas]

sorry for the bad english, if someone could write in french, that would be easier...

hi, each time i do /bloodmoon start, a blue messagage appear : the blood moon is not enabled for this world.
i didn't change anything in the config file, and i don't have a permission plugin, i don't want one to.

thanks

copy of the world config file :
enabled: false
always-on: false
chance: 14
features:
chat-message:
enabled: true
start-message: '&cThe bloodmoon is rising !'
end-message: '&cThe bloodmoon is over !'
server-commands:
enabled: false
commands:
start:
- toggledownfall
- time set 0
- op Notch
end:
- toggledownfall
- time set 12000
- deop Notch
play-sound:
enabled: true
sound: WITHER_SPAWN
pitch: 1.0
volume: 1.0
arrow-rate:
enabled: true
multiplier: 2
fire-arrows:
enabled: true
chance: 100
ignite-target: true
zombie-weapon:
enabled: true
chance: 60
drop-chance: 25
ignore-spawners: true
weapons:
- DIAMOND_SWORD
- GOLD_SWORD
- IRON_SWORD
zombie-armor:
enabled: true
chance: 60
drop-chance: 7
ignore-spawners: true
armor:
- DIAMOND
- GOLD
- IRON
target-distance:
enabled: true
multiplier: 2.0
mobs:
- ZOMBIE
- SKELETON
- SPIDER
- CREEPER
movement-speed:
enabled: true
multiplier: 1.2
fast-chance: 15
fast-multiplier: 1.3
mobs:
- ZOMBIE
- SKELETON
- CREEPER
break-blocks:
enabled: true
drop-items: true
realistic-drop: true
mobs:
- ZOMBIE
- SKELETON
- SPIDER
- CREEPER
- ENDERMAN
blocks:
- WOOD
- LOG
- GLASS
max-health:
enabled: true
multiplier: 2.0
mobs:
- ZOMBIE
- SKELETON
- SPIDER
- CREEPER
- ENDERMAN
more-spawning:
enabled: true
multiplier: 2
mobs:
- ZOMBIE
- SKELETON
- SPIDER
- CREEPER
- ENDERMAN
more-exp:
enabled: true
ignore-spawners: false
multiplier: 2
more-drops:
enabled: true
ignore-spawners: false
multiplier: 2
sword-damage:
enabled: true
mobs:
- ZOMBIE
- SKELETON
- SPIDER
- CREEPER
- ENDERMAN
chance: 10
super-creepers:
enabled: true
power: 4.0
fire: true
lightning: true
spawn-on-kill:
enabled: true
mobs:
- ZOMBIE
- SKELETON
- SPIDER
- CREEPER
- ENDERMAN
chance: 10
spawn:
- ZOMBIE
- SKELETON
- SPIDER
- CREEPER
- ENDERMAN
spawn-on-sleep:
enabled: true
spawn:
- ZOMBIE
spawn-control:
enabled: true
spawn:
- ZOMBIE
- SKELETON
- SPIDER
- CREEPER
- ENDERMAN
- PIG_ZOMBIE
- BLAZE
- MAGMA_CUBE
lock-in-world:
enabled: false
texture-pack:
enabled: false
normal: http://bukkit.jacekk.co.uk/bloodmoon_tps/normal.zip
bloodmoon: http://bukkit.jacekk.co.uk/bloodmoon_tps/bloodmoon.zip
extended-night:
enabled: true
min-kills: 16
weather:
enabled: true
thunder: true
rain: true
chance: 50
daylight-proof-mobs:
enabled: true
nether-sky:
enabled: false
dungeons:
enabled: true
protected: true
biomes:
- PLAINS
- ICE_PLAINS
- DESERT
- SWAMPLAND
chance: 10
min-layers: 3
max-layers: 5
spawner-types:
- ZOMBIE
- SKELETON
spawner-delay: 100
spawner-count: 6
spawner-max-mobs: 8
chest-items:
- BREAD
- APPLE
- PORK
- SADDLE
- BUCKET
- STRING
- REDSTONE
- SULPHUR
- COCOA
min-stack-size: 1
max-stack-size: 8
items-per-chest: 12
giants:
enabled: true
break-blocks:
- GRASS
- LEAVES
- WOOD
- GLASS
- CROPS
- SOIL
- LOG
- WOOD_STEP
- WOOD_STAIRS