[08:40:56 INFO]: [verCore] Disabling verCore v1.0 Beta
[08:40:56 ERROR]: Error occurred while disabling verCore v1.0 Beta (Is it up to date?)
java.lang.IllegalArgumentException: variable not registered
at com.google.common.base.Preconditions.checkArgument(Preconditions.java:125) ~[server.jar:git-Spigot-21fe707-e1ebe52]
at codecrafter47.bungeetablistplus.bukkitbridge.BukkitBridge.unregisterVariable0(BukkitBridge.java:230) ~[?:?]
at codecrafter47.bungeetablistplus.api.bukkit.BungeeTabListPlusBukkitAPI.unregisterVariable(BungeeTabListPlusBukkitAPI.java:69) ~[?:?]
at pl.endrju.ytcore.GuildPlugin.unTab(GuildPlugin.java:345) ~[?:?]
at pl.endrju.ytcore.GuildPlugin.onDisable(GuildPlugin.java:103) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:323) ~[server.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:364) [server.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:424) [server.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:417) [server.jar:git-Spigot-21fe707-e1ebe52]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.disablePlugins(CraftServer.java:336) [server.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.stop(MinecraftServer.java:460) [server.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:593) [server.jar:git-Spigot-21fe707-e1ebe52]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_172]