vamp

[13:19:54] [Server thread/ERROR]: Error occurred while enabling VampireRevamp v1.0.BETA-6 (Is it up to date?)
java.lang.ExceptionInInitializerError: null
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_271]
	at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_271]
	at com.clanjhoo.vampire.compat.WerewolfCompat.<init>(WerewolfCompat.java:53) ~[?:?]
	at com.clanjhoo.vampire.VampireRevamp.loadCompat(VampireRevamp.java:230) ~[?:?]
	at com.clanjhoo.vampire.VampireRevamp.onEnable(VampireRevamp.java:327) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[patched_1.16.4.jar:git-Paper-261]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:380) ~[patched_1.16.4.jar:git-Paper-261]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:483) ~[patched_1.16.4.jar:git-Paper-261]
	at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugin(CraftServer.java:501) ~[patched_1.16.4.jar:git-Paper-261]
	at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugins(CraftServer.java:415) ~[patched_1.16.4.jar:git-Paper-261]
	at net.minecraft.server.v1_16_R3.MinecraftServer.loadWorld(MinecraftServer.java:468) ~[patched_1.16.4.jar:git-Paper-261]
	at net.minecraft.server.v1_16_R3.DedicatedServer.init(DedicatedServer.java:239) ~[patched_1.16.4.jar:git-Paper-261]
	at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:939) ~[patched_1.16.4.jar:git-Paper-261]
	at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:177) ~[patched_1.16.4.jar:git-Paper-261]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_271]
Caused by: java.lang.NullPointerException
	at us.rfsmassacre.HeavenLib.BaseManagers.ResourceManager.reloadFiles(ResourceManager.java:31) ~[?:?]
	at us.rfsmassacre.HeavenLib.BaseManagers.ResourceManager.<init>(ResourceManager.java:26) ~[?:?]
	at us.rfsmassacre.Werewolf.Data.ItemDataManager.<init>(ItemDataManager.java:15) ~[?:?]
	at us.rfsmassacre.Werewolf.Items.WerewolfItem.<clinit>(WerewolfItem.java:16) ~[?:?]
	... 15 more
[13:19:54] [Server thread/INFO]: [VampireRevamp] Disabling VampireRevamp v1.0.BETA-6
[13:19:54] [Server thread/INFO]: [VampireRevamp] Saving player data...
[13:19:54] [Server thread/INFO]: [VampireRevamp] Saved!