Well 1.19 has come and i aspect the lonedevlib may broke..
so here is what i got from console.
[18:52:54] [Server thread/INFO]: [32m[dev.lone.EpicBackpacks.Main] [EpicBackpacks] Enabling EpicBackpacks v1.3.16[0m
[18:52:54] [Server thread/INFO]: [m
[18:52:54] [Server thread/INFO]: [0;33;1m-[0;33;22m=[0;30;1m[[0;32;1m[21m EpicBackPacks [0;30;1m][0;33;22m=[0;33;1m-[m
[18:52:54] [Server thread/INFO]: [m
[18:52:54] [Server thread/INFO]: [0;33;22mVersion: [0;36;1m1.3.16[m
[18:52:54] [Server thread/INFO]: [0;33;22mServer version: [0;36;1mv1_19_R1[m
[18:52:54] [Server thread/INFO]: [m
[18:52:54] [Server thread/INFO]: [m
[18:52:54] [Server thread/INFO]: [32m[dev.lone.EpicBackpacks.Main] [EpicBackpacks] Loaded backpack: ender[0m
[18:52:54] [Server thread/ERROR]: [31m[Minecraft] HeadLib could not find a valid implementation for {0}.[0m
[18:52:54] [Server thread/ERROR]: [31m[Minecraft] Error occurred while enabling EpicBackpacks v1.3.16 (Is it up to date?)[0m
dev.lone.LoneLibs.nbt.nbtapi.NbtApiException: Error while calling the method 'putBoolean(java.lang.String,boolean)', loaded: true, Enum: COMPOUND_SET_BOOLEAN Passed Class: class java.lang.Boolean
at dev.lone.LoneLibs.nbt.nbtapi.utils.nmsmappings.ReflectionMethod.run(ReflectionMethod.java:180) ~[?:?]
at dev.lone.LoneLibs.nbt.nbtapi.NBTReflectionUtil.setData(NBTReflectionUtil.java:602) ~[?:?]
at dev.lone.LoneLibs.nbt.nbtapi.NBTCompound.setBoolean(NBTCompound.java:385) ~[?:?]
at dev.lone.EpicBackpacks.a.a(SourceFile:274) ~[?:?]
at dev.lone.EpicBackpacks.h.g(SourceFile:185) ~[?:?]
at dev.lone.EpicBackpacks.Main.g(SourceFile:197) ~[?:?]
at dev.lone.EpicBackpacks.Main.j(SourceFile:185) ~[?:?]
at dev.lone.EpicBackpacks.Main.onEnable(SourceFile:125) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[spigot-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:342) ~[spigot-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:479) ~[spigot-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_19_R1.CraftServer.enablePlugin(CraftServer.java:513) ~[spigot-1.19-R0.1-SNAPSHOT.jar:3499-Spigot-87c4d13-64c1527]
at org.bukkit.craftbukkit.v1_19_R1.CraftServer.enablePlugins(CraftServer.java:427) ~[spigot-1.19-R0.1-SNAPSHOT.jar:3499-Spigot-87c4d13-64c1527]
at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:582) ~[spigot-1.19-R0.1-SNAPSHOT.jar:3499-Spigot-87c4d13-64c1527]
at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:401) ~[spigot-1.19-R0.1-SNAPSHOT.jar:3499-Spigot-87c4d13-64c1527]
at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:255) ~[spigot-1.19-R0.1-SNAPSHOT.jar:3499-Spigot-87c4d13-64c1527]
at net.minecraft.server.MinecraftServer.v(MinecraftServer.java:966) ~[spigot-1.19-R0.1-SNAPSHOT.jar:3499-Spigot-87c4d13-64c1527]
at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:291) ~[spigot-1.19-R0.1-SNAPSHOT.jar:3499-Spigot-87c4d13-64c1527]
at java.lang.Thread.run(Thread.java:833) [?:?]
Caused by: java.lang.IllegalArgumentException: object is not an instance of declaring class
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
at dev.lone.LoneLibs.nbt.nbtapi.utils.nmsmappings.ReflectionMethod.run(ReflectionMethod.java:178) ~[?:?]
... 18 more
Well 1.19 has come and i aspect the lonedevlib may broke.. so here is what i got from console.