Hello, I open this issue because SwiftBoard is not compatible for clients in 1.19.4 when the server is in 1.8.8 (FlamePaper) with ProtocolLib and ViaVersion.
[22:07:04 ERROR]: Could not pass event PlayerJoinEvent to SwiftBoard v0.0.5
org.bukkit.event.EventException: null
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[server.jar:git-PaperSpigot-325b2f68]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[server.jar:git-PaperSpigot-325b2f68]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[server.jar:git-PaperSpigot-325b2f68]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517) ~[server.jar:git-PaperSpigot-325b2f68]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502) ~[server.jar:git-PaperSpigot-325b2f68]
at net.minecraft.server.v1_8_R3.PlayerList.onPlayerJoin(PlayerList.java:314) ~[server.jar:git-PaperSpigot-325b2f68]
at net.minecraft.server.v1_8_R3.PlayerList.a(PlayerList.java:173) ~[server.jar:git-PaperSpigot-325b2f68]
at net.minecraft.server.v1_8_R3.LoginListener.b(LoginListener.java:144) ~[server.jar:git-PaperSpigot-325b2f68]
at net.minecraft.server.v1_8_R3.LoginListener.c(LoginListener.java:54) ~[server.jar:git-PaperSpigot-325b2f68]
at net.minecraft.server.v1_8_R3.NetworkManager.a(NetworkManager.java:231) ~[server.jar:git-PaperSpigot-325b2f68]
at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:148) ~[server.jar:git-PaperSpigot-325b2f68]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:842) ~[server.jar:git-PaperSpigot-325b2f68]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:366) ~[server.jar:git-PaperSpigot-325b2f68]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:680) ~[server.jar:git-PaperSpigot-325b2f68]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:583) ~[server.jar:git-PaperSpigot-325b2f68]
at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_292]
Caused by: java.lang.NoClassDefFoundError: com/comphenix/protocol/ProtocolLibrary
at dev._2lstudios.swiftboard.scoreboard.Scoreboard.<init>(Scoreboard.java:31) ~[?:?]
at dev._2lstudios.swiftboard.scoreboard.ScoreboardManager.create(ScoreboardManager.java:18) ~[?:?]
at dev._2lstudios.swiftboard.listeners.PlayerJoinListener.onPlayerJoin(PlayerJoinListener.java:37) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_292]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_292]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_292]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_292]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[server.jar:git-PaperSpigot-325b2f68]
... 15 more
Hopefully this will be resolved as soon as possible.
Thank you in advance.