не знаю, у меня все работало, в логах какая ошибка?
java.lang.NullPointerException: Cannot invoke "wxs.watermelonov.command.CommandManager.runCommands(String)" because "wxs.watermelonov.managment.Managment.COMMAND_MANAGER" is null
at net.minecraft.client.entity.player.ClientPlayerEntity.sendChatMessage(ClientPlayerEntity.java:395)
at net.minecraft.client.gui.screen.Screen.sendMessage(Screen.java:373)
at net.minecraft.client.gui.screen.Screen.sendMessage(Screen.java:363)
at net.optifine.gui.GuiChatOF.sendMessage(GuiChatOF.java:26)
at net.minecraft.client.gui.screen.ChatScreen.keyPressed(ChatScreen.java:110)
at net.minecraft.client.KeyboardListener.lambda$onKeyEvent$4(KeyboardListener.java:379)
at net.minecraft.client.gui.screen.Screen.wrapScreenError(Screen.java:510)
at net.minecraft.client.KeyboardListener.onKeyEvent(KeyboardListener.java:352)
at net.minecraft.client.KeyboardListener.lambda$setupCallbacks$7(KeyboardListener.java:500)
at net.minecraft.util.concurrent.ThreadTaskExecutor.execute(ThreadTaskExecutor.java:111)
at net.minecraft.client.KeyboardListener.lambda$setupCallbacks$8(KeyboardListener.java:499)
at org.lwjgl.glfw.GLFWKeyCallbackI.callback(GLFWKeyCallbackI.java:37)
at org.lwjgl.system.JNI.invokeV(Native Method)
at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3101)
at com.mojang.blaze3d.systems.RenderSystem.flipFrame(RenderSystem.java:105)
at net.minecraft.client.MainWindow.flipFrame(MainWindow.java:363)
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1058)
at net.minecraft.client.Minecraft.run(Minecraft.java:641)
at net.minecraft.client.main.Main.main(Main.java:200)[/USERS]