Bukkit

On spigot 1.11:

[20:03:42] [Server thread/INFO]: [InfernalMobs] Enabling InfernalMobs v4.9 [20:03:42] [Server thread/INFO]: [InfernalMobs] No config.yml found, generating... [20:03:42] [Server thread/ERROR]: [InfernalMobs] No config available, git-Spigot-d60de0a-c25ddf0 (MC: 1.11) is not supported! [20:03:42] [Server thread/INFO]: [InfernalMobs] Disabling InfernalMobs v4.9 [20:03:42] [Server thread/ERROR]: Error occurred while enabling InfernalMobs v4.9 (Is it up to date?) org.bukkit.plugin.IllegalPluginAccessException: Plugin attempted to register task while disabled at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftScheduler.validate(CraftScheduler.java:403) ~[spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftScheduler.runTaskTimer(CraftScheduler.java:126) ~[spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftScheduler.scheduleSyncRepeatingTask(CraftScheduler.java:122) ~[spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftScheduler.scheduleSyncDelayedTask(CraftScheduler.java:105) ~[spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at io.hotmail.com.jacob_vejvoda.infernal_mobs.infernal_mobs.applyEffect(infernal_mobs.java:1344) ~[?:?] at io.hotmail.com.jacob_vejvoda.infernal_mobs.infernal_mobs.onEnable(infernal_mobs.java:200) ~[?:?] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:271) ~[spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:337) [spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugin(CraftServer.java:373) [spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugins(CraftServer.java:323) [spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at net.minecraft.server.v1_11_R1.MinecraftServer.t(MinecraftServer.java:419) [spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at net.minecraft.server.v1_11_R1.MinecraftServer.l(MinecraftServer.java:380) [spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at net.minecraft.server.v1_11_R1.MinecraftServer.a(MinecraftServer.java:335) [spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at net.minecraft.server.v1_11_R1.DedicatedServer.init(DedicatedServer.java:272) [spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:542) [spigot-1.11.jar:git-Spigot-d60de0a-c25ddf0] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111]