[14:56:59] [Server thread/ERROR]: This server is not compatible with FastNBT. Server: git-Paper-794 (MC: 1.16.5) (NMS: v1_16_R3) [14:56:59] [Server thread/WARN]: java.lang.UnsupportedClassVersionError: lonelibs/dev/lone/fastnbt/nms/nbt/CompoundTag_v1_19_R1 has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 60.0 [14:56:59] [Server thread/WARN]: at java.base/java.lang.ClassLoader.defineClass1(Native Method) [14:56:59] [Server thread/WARN]: at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1010) [14:56:59] [Server thread/WARN]: at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150) [14:56:59] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:201) [14:56:59] [Server thread/WARN]: at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:586) [14:56:59] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:119) [14:56:59] [Server thread/WARN]: at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:114) [14:56:59] [Server thread/WARN]: at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:519) [14:56:59] [Server thread/WARN]: at lonelibs.dev.lone.fastnbt.nms.Implementation.findClassesInPackage(Implementation.java:129) [14:56:59] [Server thread/WARN]: at lonelibs.dev.lone.fastnbt.nms.Implementation.listAllClasses(Implementation.java:95) [14:56:59] [Server thread/WARN]: at lonelibs.dev.lone.fastnbt.nms.Implementation.find(Implementation.java:36) [14:56:59] [Server thread/WARN]: at lonelibs.dev.lone.fastnbt.nms.nbt.NBT.(NBT.java:31) [14:56:59] [Server thread/WARN]: at lonelibs.dev.lone.fastnbt.nms.nbt.NCompound.(NCompound.java:19) [14:56:59] [Server thread/WARN]: at lonelibs.dev.lone.fastnbt.nms.nbt.NItem.(NItem.java:23) [14:56:59] [Server thread/WARN]: at ia.m.eM.(SourceFile:114) [14:56:59] [Server thread/WARN]: at ia.m.fr.bJ(SourceFile:418) [14:56:59] [Server thread/WARN]: at ia.m.G.b(SourceFile:785) [14:56:59] [Server thread/WARN]: at ia.m.G.c(SourceFile:641) [14:56:59] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:101) [14:56:59] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:485) [14:56:59] [Server thread/WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1083) [14:56:59] [Server thread/WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:291) [14:56:59] [Server thread/WARN]: at java.base/java.lang.Thread.run(Thread.java:831) [14:56:59] [Server thread/ERROR]: [ItemsAdder] Error loading the plugin, something is not configured right or an exception occured. More detail: [14:56:59] [Server thread/WARN]: java.lang.NullPointerException: Cannot invoke "lonelibs.dev.lone.fastnbt.nms.nbt.ICompoundTag.newInstance()" because "lonelibs.dev.lone.fastnbt.nms.nbt.NBT.compound" is null [14:56:59] [Server thread/WARN]: at lonelibs.dev.lone.fastnbt.nms.nbt.NCompound.(NCompound.java:19) [14:56:59] [Server thread/WARN]: at lonelibs.dev.lone.fastnbt.nms.nbt.NItem.(NItem.java:23) [14:56:59] [Server thread/WARN]: at ia.m.eM.(SourceFile:114) [14:56:59] [Server thread/WARN]: at ia.m.fr.bJ(SourceFile:418) [14:56:59] [Server thread/WARN]: at ia.m.G.b(SourceFile:785) [14:56:59] [Server thread/WARN]: at ia.m.G.c(SourceFile:641) [14:56:59] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:101) [14:56:59] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:485) [14:56:59] [Server thread/WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1083) [14:56:59] [Server thread/WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:291) [14:56:59] [Server thread/WARN]: at java.base/java.lang.Thread.run(Thread.java:831)