Ошибка:
[23:28:57 ERROR]: Could not pass event PlayerCommandPreprocessEvent to WELimit v1.0
org.bukkit.event.EventException: null
at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.12.2.jar: git-Paper-1618]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar: git-Paper-1618]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar: git-Paper-1618]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar: git-Paper-1618]
at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1484) ~[patched_1.12.2.jar: git-Paper-1618]
at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1297) ~[patched_1.12.2.jar: git-Paper-1618]
at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) ~[patched_1.12.2.jar: git-Paper-1618]
at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:5) ~[patched_1.12.2.jar: git-Paper-1618]
at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar: git-Paper-1618]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_291]
at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_291]
at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[patched_1.12.2.jar: git-Paper-1618]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[patched_1.12.2.jar: git-Paper-1618]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar: git-Paper-1618]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar: git-Paper-1618]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar: git-Paper-1618]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_291]
Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.CharSequence
at ru.Dan_Ender.WELimit.WELimit.onCmd(WELimit.java:217) ~[?:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor129.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar: git-Paper-1618]
…16 more
Дополнено (1). ps: ошибка появляется при попытке сделать "//set", когда у игрока на него нет прав
Потому что не нужно качать с левым сайтов.
Этого плагина нет на 1.12.2
Точнее WELimit не существует вообще, а вот WELimits существует, но его нет на новых версиях.
Ставь FAWE
