[11:14:03] [Server thread/INFO]: Freeze_Line[/192.168.1.1:50978] logged in with entity id 712 at ([kitpvp]240.37247829756814, 60.0, -363.06848930670515)
[11:14:03] [Server thread/WARN]: [Essentials] Task #863 for Essentials v2.17.2.0 generated an exception
java.lang.NullPointerException: null
        at com.earth2me.essentials.xmpp.XMPPManager.updatePresence(XMPPManager.java:146) ~[?:?]
        at com.earth2me.essentials.xmpp.EssentialsXMPP.updatePresence(EssentialsXMPP.java:113) ~[?:?]
        at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftTask.run(CraftTask.java:81) ~[serverengine.jar:git-Spigot-800b93f-8160e29]
        at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:394) [serverengine.jar:git-Spigot-800b93f-8160e29]
        at net.minecraft.server.v1_15_R1.MinecraftServer.b(MinecraftServer.java:1036) [serverengine.jar:git-Spigot-800b93f-8160e29]
        at net.minecraft.server.v1_15_R1.DedicatedServer.b(DedicatedServer.java:399) [serverengine.jar:git-Spigot-800b93f-8160e29]
        at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:984) [serverengine.jar:git-Spigot-800b93f-8160e29]
        at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:824) [serverengine.jar:git-Spigot-800b93f-8160e29]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_251]
[11:14:03] [Server thread/INFO]: GCore >> This plugin is outdated :
[11:14:03] [Server thread/INFO]: GCore >> This plugin is outdated : GCore.
[11:14:03] [Server thread/INFO]: GCore >> Get the update here : http://www.guillaumevdn.com/plugins/list/