java.lang.NullPointerException: Cannot invoke "com.artillexstudios.axgraves.libs.axapi.packetentity.PacketEntity.remove()" because the return value of "com.artillexstudios.axgraves.grave.Grave.getEntity()" is null
at AxGraves-1.14.6.jar/com.artillexstudios.axgraves.AxGraves.disable(AxGraves.java:70) ~[AxGraves-1.14.6.jar:?]
at AxGraves-1.14.6.jar/com.artillexstudios.axgraves.libs.axapi.AxPlugin.onDisable(AxPlugin.java:131) ~[AxGraves-1.14.6.jar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:291) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.disablePlugin(PaperPluginInstanceManager.java:237) ~[paper-1.21.1.jar:1.21.1-128-d348cb8]
at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.disablePlugins(PaperPluginInstanceManager.java:161) ~[paper-1.21.1.jar:1.21.1-128-d348cb8]
at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.disablePlugins(PaperPluginManagerImpl.java:97) ~[paper-1.21.1.jar:1.21.1-128-d348cb8]
at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:541) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.CraftServer.disablePlugins(CraftServer.java:610) ~[paper-1.21.1.jar:1.21.1-128-d348cb8]
at net.minecraft.server.MinecraftServer.stopServer(MinecraftServer.java:1045) ~[paper-1.21.1.jar:1.21.1-128-d348cb8]
at net.minecraft.server.dedicated.DedicatedServer.stopServer(DedicatedServer.java:847) ~[paper-1.21.1.jar:1.21.1-128-d348cb8]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1351) ~[paper-1.21.1.jar:1.21.1-128-d348cb8]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:329) ~[paper-1.21.1.jar:1.21.1-128-d348cb8]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
java.lang.NullPointerException: Cannot invoke "com.artillexstudios.axgraves.libs.axapi.packetentity.PacketEntity.remove()" because the return value of "com.artillexstudios.axgraves.grave.Grave.getEntity()" is null at AxGraves-1.14.6.jar/com.artillexstudios.axgraves.AxGraves.disable(AxGraves.java:70) ~[AxGraves-1.14.6.jar:?] at AxGraves-1.14.6.jar/com.artillexstudios.axgraves.libs.axapi.AxPlugin.onDisable(AxPlugin.java:131) ~[AxGraves-1.14.6.jar:?] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:291) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?] at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.disablePlugin(PaperPluginInstanceManager.java:237) ~[paper-1.21.1.jar:1.21.1-128-d348cb8] at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.disablePlugins(PaperPluginInstanceManager.java:161) ~[paper-1.21.1.jar:1.21.1-128-d348cb8] at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.disablePlugins(PaperPluginManagerImpl.java:97) ~[paper-1.21.1.jar:1.21.1-128-d348cb8] at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:541) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?] at org.bukkit.craftbukkit.CraftServer.disablePlugins(CraftServer.java:610) ~[paper-1.21.1.jar:1.21.1-128-d348cb8] at net.minecraft.server.MinecraftServer.stopServer(MinecraftServer.java:1045) ~[paper-1.21.1.jar:1.21.1-128-d348cb8] at net.minecraft.server.dedicated.DedicatedServer.stopServer(DedicatedServer.java:847) ~[paper-1.21.1.jar:1.21.1-128-d348cb8] at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1351) ~[paper-1.21.1.jar:1.21.1-128-d348cb8] at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:329) ~[paper-1.21.1.jar:1.21.1-128-d348cb8] at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]