[11:00:51] [Server thread/WARN]: [HeadDisplays] Task #283 for HeadDisplays v1.3.4 generated an exception
java.lang.NullPointerException: Group attributes cannot be null
	at java.util.Objects.requireNonNull(Objects.java:228) ~[?:1.8.0_275]
	at org.kingdoms.constants.kingdom.Group.<init>(Group.java:82) ~[?:?]
	at org.kingdoms.constants.kingdom.Nation.<init>(Nation.java:55) ~[?:?]
	at org.kingdoms.adapters.AdapterNation.deserialize(AdapterNation.java:92) ~[?:?]
	at org.kingdoms.adapters.AdapterNation.deserialize(AdapterNation.java:24) ~[?:?]
	at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:69) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at com.google.gson.Gson.fromJson(Gson.java:887) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at com.google.gson.Gson.fromJson(Gson.java:852) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at com.google.gson.Gson.fromJson(Gson.java:801) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at com.google.gson.Gson.fromJson(Gson.java:773) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at org.kingdoms.data.database.storages.flatfile.JsonDatabase.load(JsonDatabase.java:78) ~[?:?]
	at org.kingdoms.data.database.storages.flatfile.JsonDatabase.load(JsonDatabase.java:64) ~[?:?]
	at org.kingdoms.data.DataManager$1.load(DataManager.java:35) ~[?:?]
	at org.kingdoms.data.DataManager$1.load(DataManager.java:31) ~[?:?]
	at org.kingdoms.utils.caffeine.cache.LocalLoadingCache.lambda$newMappingFunction$2(LocalLoadingCache.java:141) ~[?:?]
	at org.kingdoms.utils.caffeine.cache.BoundedLocalCache.lambda$doComputeIfAbsent$14(BoundedLocalCache.java:2343) ~[?:?]
	at java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1853) ~[?:1.8.0_275]
	at org.kingdoms.utils.caffeine.cache.BoundedLocalCache.doComputeIfAbsent(BoundedLocalCache.java:2341) ~[?:?]
	at org.kingdoms.utils.caffeine.cache.BoundedLocalCache.computeIfAbsent(BoundedLocalCache.java:2324) ~[?:?]
	at org.kingdoms.utils.caffeine.cache.LocalCache.computeIfAbsent(LocalCache.java:108) ~[?:?]
	at org.kingdoms.utils.caffeine.cache.LocalLoadingCache.get(LocalLoadingCache.java:54) ~[?:?]
	at org.kingdoms.data.DataManager.getData(DataManager.java:83) ~[?:?]
	at org.kingdoms.constants.kingdom.Nation.getNation(Nation.java:68) ~[?:?]
	at org.kingdoms.constants.kingdom.Kingdom.getNation(Kingdom.java:688) ~[?:?]
	at org.kingdoms.services.placeholders.KingdomsPlaceholder.translate(KingdomsPlaceholder.java:411) ~[?:?]
	at org.kingdoms.services.placeholders.KingdomsPlaceholder.translate(KingdomsPlaceholder.java:278) ~[?:?]
	at org.kingdoms.services.placeholders.KingdomsPlaceholder.translate(KingdomsPlaceholder.java:433) ~[?:?]
	at org.kingdoms.services.placeholders.KingdomsPlaceholder.onRequest(KingdomsPlaceholder.java:156) ~[?:?]
	at org.kingdoms.services.placeholders.ServicePlaceholderAPI.onRequest(ServicePlaceholderAPI.java:38) ~[?:?]
	at me.clip.placeholderapi.replacer.CharsReplacer.apply(CharsReplacer.java:156) ~[?:?]
	at me.clip.placeholderapi.PlaceholderAPI.setPlaceholders(PlaceholderAPI.java:69) ~[?:?]
	at me.clip.placeholderapi.PlaceholderAPI.setPlaceholders(PlaceholderAPI.java:97) ~[?:?]
	at net.arcaniax.headdisplays.placeholder.PlaceholderManager.setPlaceholders(PlaceholderManager.java:21) ~[?:?]
	at net.arcaniax.headdisplays.display.renderers.PersonalDisplayRenderer.update(PersonalDisplayRenderer.java:55) ~[?:?]
	at net.arcaniax.headdisplays.display.renderers.PersonalDisplayRenderer.<init>(PersonalDisplayRenderer.java:35) ~[?:?]
	at net.arcaniax.headdisplays.display.renderers.PersonalRenderingManager.show(PersonalRenderingManager.java:66) ~[?:?]
	at net.arcaniax.headdisplays.display.Display.fastTick(Display.java:267) ~[?:?]
	at net.arcaniax.headdisplays.display.DisplayManager.fastTick(DisplayManager.java:33) ~[?:?]
	at net.arcaniax.headdisplays.Main.lambda$onEnable$2(Main.java:91) ~[?:?]
	at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:99) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:468) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at net.minecraft.server.v1_16_R3.MinecraftServer.b(MinecraftServer.java:1358) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at net.minecraft.server.v1_16_R3.DedicatedServer.b(DedicatedServer.java:378) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at net.minecraft.server.v1_16_R3.MinecraftServer.a(MinecraftServer.java:1271) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1003) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:178) ~[patched_1.16.4.jar:git-AirplaneLite-"fd35d6a"]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_275]