# Pastebin 4x2hl57c
t[10:49:52] [Server thread/ERROR]: [Heroes] Plugin Heroes v1.8.11-SNAPSHOT-ab9c4ba has failed to register events for class com.herocraftonline.heroes.feature.roll.MythicMobsItemRoll because net/elseland/xikage/MythicMobs/API/Bukkit/Events/MythicMobDeathEvent does not exist.

and another warn

[10:51:25] [Server thread/WARN]: Plugin Heroes v1.8.11-SNAPSHOT-ab9c4ba tried to register permission 'commons.callback' but it's already registered
java.lang.IllegalArgumentException: The permission commons.callback is already defined!
at org.bukkit.plugin.SimplePluginManager.addPermission(SimplePluginManager.java:599) ~[spigot-1.11.2.jar:git-Spigot-d4f98a3-cb61ac0]
at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugin(CraftServer.java:370) [spigot-1.11.2.jar:git-Spigot-d4f98a3-cb61ac0]
at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugins(CraftServer.java:326) [spigot-1.11.2.jar:git-Spigot-d4f98a3-cb61ac0]
at net.minecraft.server.v1_11_R1.MinecraftServer.t(MinecraftServer.java:421) [spigot-1.11.2.jar:git-Spigot-d4f98a3-cb61ac0]
at net.minecraft.server.v1_11_R1.MinecraftServer.l(MinecraftServer.java:382) [spigot-1.11.2.jar:git-Spigot-d4f98a3-cb61ac0]
at net.minecraft.server.v1_11_R1.MinecraftServer.a(MinecraftServer.java:337) [spigot-1.11.2.jar:git-Spigot-d4f98a3-cb61ac0]
at net.minecraft.server.v1_11_R1.DedicatedServer.init(DedicatedServer.java:272) [spigot-1.11.2.jar:git-Spigot-d4f98a3-cb61ac0]
at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:544) [spigot-1.11.2.jar:git-Spigot-d4f98a3-cb61ac0]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121]