[12:27:33 INFO]: [MobFarmManager] Disabling MobFarmManager v1.5.2.2
[12:27:33 ERROR]: Error occurred while disabling MobFarmManager v1.5.2.2 (Is it up to date?)
org.bukkit.plugin.IllegalPluginAccessException: Plugin attempted to register task while disabled
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftScheduler.validate(CraftScheduler.java:445) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftScheduler.runTaskTimer(CraftScheduler.java:176) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftScheduler.runTaskTimer(CraftScheduler.java:167) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftScheduler.scheduleSyncRepeatingTask(CraftScheduler.java:162) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at com.MobFarmManager.Zrips.Util.ChunkManager.RunScheduler(ChunkManager.java:51) ~[?:?]
        at com.MobFarmManager.Zrips.MFM.onDisable(MFM.java:65) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:267) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:371) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:429) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:422) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.craftbukkit.v1_13_R2.CraftServer.disablePlugins(CraftServer.java:370) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.MinecraftServer.stop(MinecraftServer.java:621) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:766) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at java.lang.Thread.run(Thread.java:834) [?:?]