Zmieniłem i po wpisaniu komendy wyskoczył mi błąd:
[18:24:00 WARN]: Unexpected exception while parsing console command "sk"
org.bukkit.command.CommandException: Cannot execute command 'sk' in plugin Skript v2.4-beta6 - plugin is disabled.
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:36) ~[craftbukkit-1.12.2.jar:git-Bukkit-e60fc34]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) ~[craftbukkit-1.12.2.jar:git-Bukkit-e60fc34]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:628) ~[craftbukkit-1.12.2.jar:git-Bukkit-e60fc34]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchServerCommand(CraftServer.java:614) [craftbukkit-1.12.2.jar:git-Bukkit-e60fc34]
at net.minecraft.server.v1_12_R1.DedicatedServer.aP(DedicatedServer.java:408) [craftbukkit-1.12.2.jar:git-Bukkit-e60fc34]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:372) [craftbukkit-1.12.2.jar:git-Bukkit-e60fc34]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:651) [craftbukkit-1.12.2.jar:git-Bukkit-e60fc34]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:555) [craftbukkit-1.12.2.jar:git-Bukkit-e60fc34]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]
Skript nie może odczytać eventu on join.
[16:17:41 INFO]: [Skript] Reloading test.sk...
[16:17:41 ERROR]: can't understand this event: 'on join' (test.sk, line 1: on join:')
[16:17:41 INFO]: [Skript] Encountered 1 error while reloading test.sk!