Error loading Tablist BungeeCord version when running on Snap

[FireEndymion235]

[08:28:20 ERROR]: An error occurred while running this command.
java.util.concurrent.CompletionException: java.lang.RuntimeException: Unable to invoke command tablist for com.velocitypowered.proxy.console.VelocityConsole@4150e7de
at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315) ~[?:?]
at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320) ~[?:?]
at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:649) ~[?:?]
at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:482) ~[?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?]
at java.lang.Thread.run(Thread.java:833) [?:?]
Caused by: java.lang.RuntimeException: Unable to invoke command tablist for com.velocitypowered.proxy.console.VelocityConsole@4150e7de
at com.velocitypowered.proxy.command.VelocityCommandManager.executeImmediately0(VelocityCommandManager.java:223) ~[velocity-3.1.2-SNAPSHOT-179.jar:3.1.2-SNAPSHOT (git-6547ccaa-b179)]
at com.velocitypowered.proxy.command.VelocityCommandManager.lambda$executeAsync$0(VelocityCommandManager.java:237) ~[velocity-3.1.2-SNAPSHOT-179.jar:3.1.2-SNAPSHOT (git-6547ccaa-b179)]
at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:646) ~[?:?]
... 4 more
Caused by: java.lang.NullPointerException: Cannot invoke "java.util.List.forEach(java.util.function.Consumer)" because the return value of "hu.montlikadani.tablist.config.ConfigConstants.getMessageList(hu.montlikadani.tablist.config.ConfigConstants$MessageKeys)" is null
at hu.montlikadani.tablist.TabList$1.execute(TabList.java:109) ~[?:?]
at de.themoep.snap.SnapBungeeAdapter$1.execute(SnapBungeeAdapter.java:157) ~[?:?]
at de.themoep.snap.SnapBungeeAdapter$1.execute(SnapBungeeAdapter.java:153) ~[?:?]
at com.velocitypowered.proxy.command.registrar.InvocableCommandRegistrar.lambda$createLiteral$1(InvocableCommandRegistrar.java:81) ~[velocity-3.1.2-SNAPSHOT-179.jar:3.1.2-SNAPSHOT (git-6547ccaa-b179)]
at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:262) ~[velocity-3.1.2-SNAPSHOT-179.jar:3.1.2-SNAPSHOT (git-6547ccaa-b179)]
at com.velocitypowered.proxy.command.VelocityCommandManager.executeImmediately0(VelocityCommandManager.java:210) ~[velocity-3.1.2-SNAPSHOT-179.jar:3.1.2-SNAPSHOT (git-6547ccaa-b179)]
at com.velocitypowered.proxy.command.VelocityCommandManager.lambda$executeAsync$0(VelocityCommandManager.java:237) ~[velocity-3.1.2-SNAPSHOT-179.jar:3.1.2-SNAPSHOT (git-6547ccaa-b179)]
at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:646) ~[?:?]
... 4 more

The folder of Tablist plug-in has been generated, and its contents are also in.