[uSkyBlock] Task #6 for uSkyBlock v2.5.7 generated an exception
java.lang.NoSuchMethodError: com.onarandombox.MultiverseCore.api.MultiverseWorld.setGenerator(Ljava/lang/String;)V
        at us.talabrek.ultimateskyblock.handler.MultiverseCoreHandler.importWorld(MultiverseCoreHandler.java:42) ~[?:?]
        at us.talabrek.ultimateskyblock.uSkyBlock.getWorld(uSkyBlock.java:363) ~[?:?]
        at us.talabrek.ultimateskyblock.uSkyBlock.getSkyBlockWorld(uSkyBlock.java:386) ~[?:?]
        at us.talabrek.ultimateskyblock.uSkyBlock$2.run(uSkyBlock.java:243) ~[?:?]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:723) [spigot.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot.jar:git-Spigot-db6de12-18fbb24]
        at java.lang.Thread.run(Thread.java:745) [?:1.7.0_91]
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