Bonjour, j'ai voulu installer le plugin citizens sur mon serveur, mais je ne peut faire aucune commande (cela ne m'affiche rien dans le chat) et dans la console, cela m'affiche les erreurs suivantes:
[ATTENTION] Task of 'Citizens' generated an exception
java.lang.NoSuchMethodError:
net.citizensnpcs.resources.npclib.PathNPC.getBukki
tEntity()Lorg/bukkit/craftbukkit/entity/CraftPlaye
r;
at
net.citizensnpcs.resources.npclib.CraftNPC.getBukk
itEntity(CraftNPC.java:70)
at
net.citizensnpcs.resources.npclib.HumanNPC.getPlay
er(HumanNPC.java:130)
at
net.citizensnpcs.resources.npclib.HumanNPC.getWorl
d(HumanNPC.java:146)
at
net.citizensnpcs.properties.properties.BasicProper
ties.loadState(BasicProperties.java:321)
at
net.citizensnpcs.properties.PropertyManager.load(P
ropertyManager.java:46)
at
net.citizensnpcs.resources.npclib.NPCManager.regis
ter(NPCManager.java:161)
at
net.citizensnpcs.Citizens.setupNPCs(Citizens.java:
264)
at
net.citizensnpcs.Citizens.access$000(Citizens.java
:62)
at
net.citizensnpcs.Citizens$2.run(Citizens.java:127)
at
org.bukkit.craftbukkit.scheduler.CraftScheduler.ma
inThreadHeartbeat(CraftScheduler.java:137)
at
net.minecraft.server.MinecraftServer.w(MinecraftSe
rver.java:502)
at
net.minecraft.server.MinecraftServer.run(Minecraft
Server.java:434)
at
net.minecraft.server.ThreadServerApplication.run(S
ourceFile:465)
merci d'avance! 
