>.... [17:19:09 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'ocm' in plugin OldCombatMechanics v1.11.0
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchCommand(CraftServer.java:826) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.PlayerConnection.handleCommand(PlayerConnection.java:2267) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.PlayerConnection.c(PlayerConnection.java:2082) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:2035) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.PacketPlayInChat.a(PacketPlayInChat.java:49) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.PacketPlayInChat.a(PacketPlayInChat.java:7) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$ensureMainThread$1(PlayerConnectionUtils.java:55) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:1325) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:1318) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:1294) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1138) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:292) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at java.lang.Thread.run(Thread.java:833) [?:?]
Caused by: java.lang.NoClassDefFoundError: org/bukkit/generator/WorldInfo
at kernitus.plugin.OldCombatMechanics.commands.OCMCommandHandler.wideToggle(OCMCommandHandler.java:129) ~[?:?]
at kernitus.plugin.OldCombatMechanics.commands.OCMCommandHandler.onCommand(OCMCommandHandler.java:147) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
... 19 more
Caused by: java.lang.ClassNotFoundException: org.bukkit.generator.WorldInfo
at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:155) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:114) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?]
at kernitus.plugin.OldCombatMechanics.commands.OCMCommandHandler.wideToggle(OCMCommandHandler.java:129) ~[?:?]
at kernitus.plugin.OldCombatMechanics.commands.OCMCommandHandler.onCommand(OCMCommandHandler.java:147) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched_1.16.5.jar:git-Tuinity-"935b901"]
... 19 more