java.lang.NoSuchMethodError

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  • java.lang.NoSuchMethodError: org.bukkit.Server.getOnlinePlayers()[Lorg/bukkit/entity/Player; at com.gmail.josemanuelgassin.Wizards._Wizards.actualizarManaExp(_Wizards.java:215)[?:?] at com.gmail.josemanuelgassin.Wizards._Wizards$2.run(_Wizards.java:209)[?:?] at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftTask.run(CraftTask.java:71)[spigot-1.9.jar:git-Spigot-87e2f47-ef13ca4] at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)[spigot-1.9.jar:git-Spigot-87e2f47-ef13ca4] at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:729)[spigot-1.9.jar:git-Spigot-87e2f47-ef13ca4] at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400)[spigot-1.9.jar:git-Spigot-87e2f47-ef13ca4] at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660)[spigot-1.9.jar:git-Spigot-87e2f47-ef13ca4] at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559)[spigot-1.9.jar:git-Spigot-87e2f47-ef13ca4] at java.lang.Thread.run(Thread.java:745)[?:1.8.0_74]
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