Funnyguilds nie działa-

Witam, plugin FunnyGuilds nie działa nie wiem dlaczego. Serwer sipgot 1.8.8. Poniżej zamieszczam błędy z konsoli
 

[09:07:41] [Server thread/INFO]: [FunnyGuilds] Loading FunnyGuilds v4.10.2 Snowdrop-6f65021
[09:07:41] [Server thread/WARN]: [FunnyGuilds] [Parser] > Unknown material: OBSERVER
[09:07:41] [Server thread/ERROR]: panda.std.Option.orNull()Ljava/lang/Object; initializing FunnyGuilds v4.10.2 Snowdrop-6f65021 (Is it up to date?)
java.lang.NoSuchMethodError: panda.std.Option.orNull()Ljava/lang/Object;
    at net.dzikoysk.funnyguilds.shared.bukkit.EntityUtils.parseEntityType(EntityUtils.java:46) ~[?:?]
    at net.dzikoysk.funnyguilds.shared.bukkit.EntityUtils.lambda$parseEntityTypes$1(EntityUtils.java:63) ~[?:?]
    at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[?:1.8.0_312]
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[?:1.8.0_312]
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) ~[?:1.8.0_312]
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) ~[?:1.8.0_312]
    at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) ~[?:1.8.0_312]
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:1.8.0_312]
    at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:566) ~[?:1.8.0_312]
    at panda.std.stream.PandaStream.toSet(PandaStream.java:181) ~[?:?]
    at net.dzikoysk.funnyguilds.shared.bukkit.EntityUtils.parseEntityTypes(EntityUtils.java:65) ~[?:?]
    at net.dzikoysk.funnyguilds.config.PluginConfiguration.<init>(PluginConfiguration.java:489) ~[?:?]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_312]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_312]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_312]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_312]
    at java.lang.Class.newInstance(Class.java:442) ~[?:1.8.0_312]
    at net.dzikoysk.funnyguilds.libs.eu.okaeri.configs.ConfigManager.create(ConfigManager.java:23) ~[?:?]
    at net.dzikoysk.funnyguilds.libs.eu.okaeri.configs.ConfigManager.create(ConfigManager.java:50) ~[?:?]
    at net.dzikoysk.funnyguilds.config.ConfigurationFactory.createPluginConfiguration(ConfigurationFactory.java:49) ~[?:?]
    at net.dzikoysk.funnyguilds.FunnyGuilds.onLoad(FunnyGuilds.java:192) ~[?:?]
    at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:297) [server.jar:git-Spigot-21fe707-741a1bd]
    at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:198) [server.jar:git-Spigot-21fe707-741a1bd]
    at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [server.jar:git-Spigot-21fe707-741a1bd]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_312]